{"id":3161,"date":"2026-05-09T15:23:48","date_gmt":"2026-05-09T15:23:48","guid":{"rendered":"https:\/\/www.shengweimachine.com\/?page_id=3161"},"modified":"2026-05-11T09:02:34","modified_gmt":"2026-05-11T09:02:34","slug":"4-side-seal-pouch-packing-machine","status":"publish","type":"page","link":"https:\/\/www.shengweimachine.com\/zh\/4-side-seal-pouch-packing-machine\/","title":{"rendered":"\u56db\u8fb9\u5c01\u888b\u5305\u88c5\u673a"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3161\" class=\"elementor elementor-3161 elementor-bc-flex-widget\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3bcd0d8 e-con-full e-flex e-con e-parent\" data-id=\"3bcd0d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a27110 elementor-widget elementor-widget-html\" data-id=\"2a27110\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"sw-page sw-bt-page\">\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a71  HERO\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"sw-hero-clean sw-bt-hero\">\n  <div class=\"sw-shell\">\n\n    <nav class=\"sw-bt-breadcrumb\" aria-label=\"Breadcrumb\">\n      <a href=\"https:\/\/www.shengweimachine.com\/\">Home<\/a>\n      <span class=\"sep\">\/<\/span>\n      <a href=\"\/pouch-types\/\">Pouch Types<\/a>\n      <span class=\"sep\">\/<\/span>\n      <span>4 Side Seal Pouch Machine<\/span>\n    <\/nav>\n\n    <div class=\"sw-bt-hero__grid\">\n      <div class=\"sw-bt-hero__copy\">\n        <span class=\"sw-bt-eyebrow\">Stick Pack &amp; 4-Side Seal Sachet Lines<\/span>\n        <h1 class=\"sw-bt-hero__title\">4 Side Seal Pouch Packing Machines<\/h1>\n        <p class=\"sw-bt-hero__lead\">Three ShengWei <a href=\"\/full-automatic-vertical-packing-machine\/\">vertical form-fill-seal lines<\/a> producing 4-side seal sachets and stick packs &mdash; flat sachets sealed on all four edges from two film webs, the dominant single-serve format for instant coffee sticks, electrolyte hydration, baby formula travel packs, and dipping-sauce sachets. Multi-lane configurations parallelize 6 lanes simultaneously for high single-SKU throughput. Speed range 30&ndash;200&nbsp;sticks\/min depending on lane count and product.<\/p>\n\n        <ul class=\"sw-bt-hero__kpis\">\n          <li>\n            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"9\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.4\"\/><path d=\"M12 7v5l3.2 2\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.4\" stroke-linecap=\"round\"\/><\/svg>\n            <div><strong>30&ndash;200<\/strong><span>Sticks \/ Min<\/span><\/div>\n          <\/li>\n          <li>\n            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h16M12 4v16M7 7l10 10M17 7L7 17\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.4\" stroke-linecap=\"round\"\/><\/svg>\n            <div><strong>&plusmn;0.5&ndash;1%<\/strong><span>Filling Accuracy<\/span><\/div>\n          <\/li>\n          <li>\n            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><rect x=\"4\" y=\"4\" width=\"16\" height=\"16\" rx=\"1\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.4\"\/><path d=\"M4 9h16M9 4v16\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.4\"\/><\/svg>\n            <div><strong>SUS304<\/strong><span>Stainless Steel<\/span><\/div>\n          <\/li>\n        <\/ul>\n\n        <div class=\"sw-bt-hero__cta\">\n          <a href=\"javascript:void(0)\"\n             onclick=\"if(typeof elementorProFrontend!=='undefined'){elementorProFrontend.modules.popup.showPopup({id:840})}\"\n             data-elementor-open-popup=\"840\"\n             class=\"sw-btn-primary\">Get a Quote &rarr;<\/a>\n          <a href=\"#sw-bt-machines\" class=\"sw-btn-secondary\">Browse Machines<\/a>\n        <\/div>\n      <\/div>\n\n      <div class=\"sw-bt-hero__visual\">\n        <img decoding=\"async\" class=\"sw-bt-hero__pouch\"\n             src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2026\/05\/4-SIDE-SEAL-HERO.webp\"\n             alt=\"ShengWei vertical packing machine producing 4-side seal Mommy 3-in-1 instant coffee sachets\"\n             width=\"800\" height=\"800\"\n             loading=\"eager\"\n             fetchpriority=\"high\"\n             data-no-lazy=\"1\">\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a72  TRUST STRIP\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<div class=\"sw-trust-strip-wrap\">\n  <div class=\"sw-shell\">\n    <div class=\"sw-trust-strip\">\n      <div class=\"sw-trust-item\">\n        <p class=\"sw-trust-label\">Quality<\/p>\n        <p class=\"sw-trust-value\">CE Certified &middot; SUS304<\/p>\n      <\/div>\n      <div class=\"sw-trust-item\">\n        <p class=\"sw-trust-label\">Source<\/p>\n        <p class=\"sw-trust-value\">Factory Direct &middot; Guangdong<\/p>\n      <\/div>\n      <div class=\"sw-trust-item\">\n        <p class=\"sw-trust-label\">Customization<\/p>\n        <p class=\"sw-trust-value\">OEM &middot; Voltage &middot; Language<\/p>\n      <\/div>\n      <div class=\"sw-trust-item\">\n        <p class=\"sw-trust-label\">After-Sales<\/p>\n        <p class=\"sw-trust-value\">2-Year Warranty &middot; 24 h Support<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a73  PRODUCT FIT\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"sw-section sw-bt-section sw-bt-section--alt sw-bt-products\">\n  <div class=\"sw-shell\">\n    <header class=\"sw-bt-head\">\n      <span class=\"sw-bt-eyebrow\">Product Fit<\/span>\n      <div class=\"sw-bt-head__body\">\n        <h2 class=\"sw-bt-h2\">What product categories use 4-side seal sachets?<\/h2>\n        <p class=\"sw-bt-intro\">Single-serve, on-the-go, and travel-pack SKUs dominate 4-side seal &mdash; the flat sealed-on-all-edges format is the cleanest stick pack or square sachet you can produce, with a precise dose per unit and minimal film waste. Below are the four largest 4-side seal product categories on ShengWei vertical lines.<\/p>\n      <\/div>\n    <\/header>\n\n    <div class=\"sw-bt-products__grid\">\n\n      <article class=\"sw-bt-product\">\n        <div class=\"sw-bt-product__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2026\/05\/INSTANT-COFFEE-STICK-4-SIDE-SEAL-POUCH.webp\"\n               alt=\"Instant coffee single-serve stick pack \u2014 long narrow 4-side seal sachet\"\n               width=\"800\" height=\"800\"\n               loading=\"lazy\">\n        <\/div>\n        <div class=\"sw-bt-product__body\">\n          <h3 class=\"sw-bt-product__title\">Instant Coffee Sticks<\/h3>\n          <p class=\"sw-bt-product__desc\">2-in-1, 3-in-1 instant coffee, mocha, cappuccino single-serve in long narrow stick packs (12&times;2&nbsp;cm). Most iconic 4-side seal application worldwide. SW-C6 6-column or SW-1528 single-lane handles 5&ndash;15&nbsp;g coffee fills at 60&ndash;200 sticks\/min total throughput.<\/p>\n        <\/div>\n      <\/article>\n\n      <article class=\"sw-bt-product\">\n        <div class=\"sw-bt-product__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2026\/05\/ELECTROLYTE-STICK-4-SIDE-SEAL-POUCH.webp\"\n               alt=\"Electrolyte hydration powder stick pack \u2014 4-side seal sport nutrition single-serve\"\n               width=\"800\" height=\"800\"\n               loading=\"lazy\">\n        <\/div>\n        <div class=\"sw-bt-product__body\">\n          <h3 class=\"sw-bt-product__title\">Electrolyte &amp; Hydration Sticks<\/h3>\n          <p class=\"sw-bt-product__desc\">Sport hydration mix, electrolyte powder, vitamin C drink mix, BCAA single-serve. \"1 stick = 1 bottle\" travel format dominates the sport-nutrition retail aisle. SW-C6 6-column auger or piston filler runs 6 lanes parallel for high-volume single-flavor production.<\/p>\n        <\/div>\n      <\/article>\n\n      <article class=\"sw-bt-product\">\n        <div class=\"sw-bt-product__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2026\/05\/INFANT-FORMULA-STICK-4-SIDE-SEAL-POUCH.webp\"\n               alt=\"Infant formula travel pack \u2014 single-serve 4-side seal sachet\"\n               width=\"800\" height=\"800\"\n               loading=\"lazy\">\n        <\/div>\n        <div class=\"sw-bt-product__body\">\n          <h3 class=\"sw-bt-product__title\">Infant Formula Travel Packs<\/h3>\n          <p class=\"sw-bt-product__desc\">Single-feed infant formula sachets (1 stick = 1 bottle of milk for one feed), toddler nutrition single-serves. Compact 4-side seal travel pack replaces bulky tin-can dosing for parents on the go. SW-2030D auger filler with food-grade contact parts and dust extraction.<\/p>\n        <\/div>\n      <\/article>\n\n      <article class=\"sw-bt-product\">\n        <div class=\"sw-bt-product__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2026\/05\/SAUCE-SACHET-4-SIDE-SEAL-POUCH.webp\"\n               alt=\"Hot pot dipping sauce in a flat 4-side seal sachet\"\n               width=\"800\" height=\"800\"\n               loading=\"lazy\">\n        <\/div>\n        <div class=\"sw-bt-product__body\">\n          <h3 class=\"sw-bt-product__title\">Sauce &amp; Condiment Sachets<\/h3>\n          <p class=\"sw-bt-product__desc\">Hot pot dipping sauce, soy sauce, ketchup single-serve, salad dressing, restaurant condiments. Square 4-side seal sachet (6&times;8&nbsp;cm) holds 10&ndash;30&nbsp;g of viscous liquid cleanly without leakage. SW-1528 piston pump or SW-C6 multi-lane for high-volume hospitality runs.<\/p>\n        <\/div>\n      <\/article>\n\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a74  MACHINE LINEUP  \u2014  3 machines in 3-col grid\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"sw-section sw-bt-section sw-bt-machines\" id=\"sw-bt-machines\">\n  <div class=\"sw-shell\">\n    <header class=\"sw-bt-head\">\n      <span class=\"sw-bt-eyebrow\">Machine Lineup<\/span>\n      <div class=\"sw-bt-head__body\">\n        <h2 class=\"sw-bt-h2\">Three ShengWei vertical lines produce 4-side seal sachets.<\/h2>\n        <p class=\"sw-bt-intro\">Two production tiers serve different volume needs. <strong>Multi-lane SW-C6<\/strong> parallelizes 6 lanes for extreme single-SKU throughput on stick packs (instant coffee, electrolyte). <strong>Single-lane SW-2030D and SW-1528<\/strong> cover smaller-volume SKUs with broader bag-size flexibility. All three form the bag from rollstock film and seal on all four edges in one continuous downward pass.<\/p>\n      <\/div>\n    <\/header>\n\n    <div class=\"sw-bt-machines__grid sw-bt-machines__grid--3col\">\n\n      <article class=\"sw-bt-machine\">\n        <span class=\"sw-bt-machine__model\">SW-C6<\/span>\n        <div class=\"sw-bt-machine__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2024\/09\/Automatic-six-column-four-side-sealing-vertical-packaging-machine-SW-C6.webp\"\n               alt=\"ShengWei SW-C6 six-column four-side-sealing vertical packing machine\"\n               width=\"600\" height=\"450\" loading=\"lazy\">\n        <\/div>\n        <div class=\"sw-bt-machine__body\">\n          <h3 class=\"sw-bt-machine__title\">6-Column High-Speed Stick Pack<\/h3>\n          <p class=\"sw-bt-machine__desc\">Six parallel lanes triple per-machine output for stick packs and small sachets &mdash; instant coffee, electrolyte, hydration mix, sugar sticks, single-serve seasoning. Multi-lane auger or pump fills all 6 lanes simultaneously per cycle. Highest 4-side seal throughput in the lineup.<\/p>\n          <dl class=\"sw-bt-machine__meta\">\n            <dt>Speed<\/dt><dd>120&ndash;200 sticks\/min total<\/dd>\n            <dt>Bag Size<\/dt><dd>20&ndash;50 &times; 80&ndash;180 mm\/lane<\/dd>\n            <dt>Filler<\/dt><dd>6-lane auger \/ pump<\/dd>\n          <\/dl>\n          <a class=\"sw-bt-machine__cta\" href=\"\/full-automatic-vertical-packing-machine\/automatic-six-column-four-side-sealing-vertical-packaging-machine\/\">View 6-Column Stick Pack &rarr;<\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sw-bt-machine\">\n        <span class=\"sw-bt-machine__model\">SW-2030D<\/span>\n        <div class=\"sw-bt-machine__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2024\/09\/Pendular-Small-Granule-Vertical-Packing-Machine-SW-2030D.webp\"\n               alt=\"ShengWei SW-2030D pendular small-granule vertical packing machine for 4-side seal\"\n               width=\"600\" height=\"450\" loading=\"lazy\">\n        <\/div>\n        <div class=\"sw-bt-machine__body\">\n          <h3 class=\"sw-bt-machine__title\">Pendular Small Granule<\/h3>\n          <p class=\"sw-bt-machine__desc\">Pendular feeder oscillates between two positions for accurate small-granule dosing in 4-side seal sachets &mdash; sugar sticks, candy beads, sesame seed packets, mini-fill spice sachets. Compact footprint suits tight factory layouts and entry-level production. Also runs <a href=\"\/3-side-seal-pouch-packing-machine\/\">3-side seal<\/a> and <a href=\"\/back-seal-pouch-packing-machine\/\">back-seal<\/a> formats.<\/p>\n          <dl class=\"sw-bt-machine__meta\">\n            <dt>Speed<\/dt><dd>40&ndash;80 sachets\/min<\/dd>\n            <dt>Bag Size<\/dt><dd>50&ndash;200 &times; 60&ndash;300 mm<\/dd>\n            <dt>Filler<\/dt><dd>Pendular small-granule<\/dd>\n          <\/dl>\n          <a class=\"sw-bt-machine__cta\" href=\"\/full-automatic-vertical-packing-machine\/pendular-small-granule-vertical-packing-machine\/\">View Pendular &rarr;<\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sw-bt-machine\">\n        <span class=\"sw-bt-machine__model\">SW-1528<\/span>\n        <div class=\"sw-bt-machine__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2024\/09\/Four-Side-Sealing-Vertical-Packing-Machine-SW-1528.webp\"\n               alt=\"ShengWei SW-1528 four-side-sealing vertical packing machine\"\n               width=\"600\" height=\"450\" loading=\"lazy\">\n        <\/div>\n        <div class=\"sw-bt-machine__body\">\n          <h3 class=\"sw-bt-machine__title\">Single-Lane 4-Side Seal<\/h3>\n          <p class=\"sw-bt-machine__desc\">General-purpose single-lane vertical machine for medium-volume 4-side seal production at larger sachet widths than the SW-C6 multi-lane can handle. Accepts auger, piston, or measure-cup filling stations &mdash; switch by changing the upper module. Best for 30&ndash;500&nbsp;g sauce, ketchup, condiment, and instant beverage powder sachets.<\/p>\n          <dl class=\"sw-bt-machine__meta\">\n            <dt>Speed<\/dt><dd>30&ndash;60 sachets\/min<\/dd>\n            <dt>Bag Size<\/dt><dd>50&ndash;150 &times; 80&ndash;220 mm<\/dd>\n            <dt>Filler<\/dt><dd>Auger \/ piston \/ cup<\/dd>\n          <\/dl>\n          <a class=\"sw-bt-machine__cta\" href=\"\/full-automatic-vertical-packing-machine\/four-side-sealing-packing-machine\/\">View SW-1528 &rarr;<\/a>\n        <\/div>\n      <\/article>\n\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a75  TECHNICAL SPECS\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"sw-bt-specs\">\n  <div class=\"sw-shell\">\n    <header class=\"sw-bt-specs__head\">\n      <span class=\"sw-bt-eyebrow\">Technical Data<\/span>\n      <h2 class=\"sw-bt-h2\">Specifications: All 3 Machines<\/h2>\n    <\/header>\n\n    <div class=\"sw-bt-specs__table-wrap\">\n      <table class=\"sw-data-table sw-bt-specs__table\">\n        <thead>\n          <tr>\n            <th scope=\"col\">Spec<\/th>\n            <th scope=\"col\">SW-C6 (6-Lane)<\/th>\n            <th scope=\"col\">SW-2030D<\/th>\n            <th scope=\"col\">SW-1528<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr><th scope=\"row\">Bag Pattern<\/th><td>4-side seal stick pack<\/td><td>4-side seal sachet<\/td><td>4-side seal sachet<\/td><\/tr>\n          <tr><th scope=\"row\">Bag Width<\/th><td>20&ndash;50 mm\/lane<\/td><td>50&ndash;200 mm<\/td><td>50&ndash;150 mm<\/td><\/tr>\n          <tr><th scope=\"row\">Bag Length<\/th><td>80&ndash;180 mm<\/td><td>60&ndash;300 mm<\/td><td>80&ndash;220 mm<\/td><\/tr>\n          <tr><th scope=\"row\">Fill Range<\/th><td>3&ndash;15 g\/lane<\/td><td>5&ndash;100 g<\/td><td>30&ndash;500 g<\/td><\/tr>\n          <tr><th scope=\"row\">Speed<\/th><td>120&ndash;200 sticks\/min<\/td><td>40&ndash;80 sachets\/min<\/td><td>30&ndash;60 sachets\/min<\/td><\/tr>\n          <tr><th scope=\"row\">Filler Type<\/th><td>6-lane auger \/ pump<\/td><td>Pendular small-granule<\/td><td>Auger \/ piston \/ cup<\/td><\/tr>\n          <tr><th scope=\"row\">Material<\/th><td>SUS304<\/td><td>SUS304<\/td><td>SUS304<\/td><\/tr>\n          <tr><th scope=\"row\">Power<\/th><td>5.5 kW<\/td><td>3.0 kW<\/td><td>3.5 kW<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a76  TRADE-OFFS\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"sw-section sw-bt-section sw-bt-tradeoffs\">\n  <div class=\"sw-shell\">\n    <header class=\"sw-bt-head\">\n      <span class=\"sw-bt-eyebrow\">Make the Right Choice<\/span>\n      <div class=\"sw-bt-head__body\">\n        <h2 class=\"sw-bt-h2\">When to choose 4-side seal vs alternatives<\/h2>\n        <p class=\"sw-bt-intro\">4-side seal wins on stick-pack shape and multi-lane throughput for single-serve. But for cheaper trial-size sachets, 3-side seal uses less film; for high-volume single-SKU pillow bags, back-seal runs faster. Honest trade-off below.<\/p>\n      <\/div>\n    <\/header>\n\n    <div class=\"sw-bt-tradeoffs__grid\">\n\n      <article class=\"sw-bt-tradeoff sw-bt-tradeoff--primary\">\n        <div class=\"sw-bt-tradeoff__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2024\/01\/4-Side-Seal-Pouch.webp\"\n               alt=\"4-side seal pouch line drawing\"\n               width=\"220\" height=\"220\" loading=\"lazy\">\n        <\/div>\n        <h3 class=\"sw-bt-tradeoff__title\">4-Side Seal Stick Pack<\/h3>\n        <ul class=\"sw-bt-tradeoff__list\">\n          <li>Long narrow stick pack format for portable single-serve<\/li>\n          <li>Multi-lane (6 lanes) for extreme single-SKU throughput<\/li>\n          <li>Cleanest dose-per-unit precision (&plusmn;0.5%)<\/li>\n          <li>Standard for instant coffee, electrolyte, supplement<\/li>\n          <li>Two film webs sealed on all four edges<\/li>\n        <\/ul>\n        <p class=\"sw-bt-tradeoff__note\">You are reading this page<\/p>\n      <\/article>\n\n      <article class=\"sw-bt-tradeoff\">\n        <div class=\"sw-bt-tradeoff__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2024\/01\/3-Side-Seal-Pouch.webp\"\n               alt=\"3-side seal sachet line drawing\"\n               width=\"220\" height=\"220\" loading=\"lazy\">\n        <\/div>\n        <h3 class=\"sw-bt-tradeoff__title\">3-Side Seal Sachet<\/h3>\n        <ul class=\"sw-bt-tradeoff__list\">\n          <li>One folded edge + 3 sealed edges = less film waste<\/li>\n          <li>Lower film cost per bag than 4-side seal<\/li>\n          <li>Wider bag formats up to 320&nbsp;mm available<\/li>\n          <li>Best for trial-size and hospitality sachets<\/li>\n          <li>Single film web folded over itself<\/li>\n        <\/ul>\n        <a class=\"sw-bt-tradeoff__link\" href=\"\/3-side-seal-pouch-packing-machine\/\">Learn more about 3-side seal &rarr;<\/a>\n      <\/article>\n\n      <article class=\"sw-bt-tradeoff\">\n        <div class=\"sw-bt-tradeoff__visual\">\n          <img decoding=\"async\" src=\"https:\/\/www.shengweimachine.com\/wp-content\/uploads\/2024\/01\/Back-Seal-Pouch.webp\"\n               alt=\"Back-seal pillow pouch line drawing\"\n               width=\"220\" height=\"220\" loading=\"lazy\">\n        <\/div>\n        <h3 class=\"sw-bt-tradeoff__title\">Back-Seal Pillow Pouch<\/h3>\n        <ul class=\"sw-bt-tradeoff__list\">\n          <li>Highest production speed (200+ bpm multi-lane)<\/li>\n          <li>Lowest film cost per bag at high volume<\/li>\n          <li>Standard for chips, snack, candy, frozen<\/li>\n          <li>10-column SW-B10 for stick-pack-scale single-serve<\/li>\n          <li>Single fin seam down the back, top &amp; bottom seal<\/li>\n        <\/ul>\n        <a class=\"sw-bt-tradeoff__link\" href=\"\/back-seal-pouch-packing-machine\/\">Learn more about back-seal pillow &rarr;<\/a>\n      <\/article>\n\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a77  FAQ\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"sw-section sw-bt-section sw-bt-section--alt sw-bt-faq\">\n  <div class=\"sw-shell\">\n    <div class=\"sw-bt-faq__layout\">\n      <header class=\"sw-bt-faq__head\">\n        <span class=\"sw-bt-eyebrow\">Questions Answered<\/span>\n        <h2 class=\"sw-bt-h2 sw-bt-h2--small\">FAQ<\/h2>\n      <\/header>\n\n      <div class=\"sw-bt-faq__list\">\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>What&rsquo;s the difference between 4-side seal and stick pack?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>\"Stick pack\" is a popular sub-format of 4-side seal &mdash; specifically the long narrow rectangle (typically 12&times;2&nbsp;cm or similar) used for instant coffee, electrolyte sticks, sugar sticks. All stick packs are 4-side seal, but not all 4-side seal sachets are sticks &mdash; square sachets (6&times;8&nbsp;cm sauce, condiment) are also 4-side seal. ShengWei machines run both shapes &mdash; you choose by setting bag width and length on the HMI.<\/p>\n          <\/div>\n        <\/details>\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>How does 4-side seal differ from 3-side seal in production?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>4-side seal uses <strong>two separate film webs<\/strong> (front + back) sealed together on all four edges, while 3-side seal uses <strong>one film web folded over itself<\/strong> with the fold becoming one of the four edges. 4-side seal gives a flat printable surface on both faces (better for branding) while 3-side seal saves ~15% film cost. See our <a href=\"\/3-side-seal-pouch-packing-machine\/\">3-side seal page<\/a> for the alternative.<\/p>\n          <\/div>\n        <\/details>\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>What&rsquo;s the speed difference between SW-C6 multi-lane and SW-1528 single-lane?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>SW-C6 6-column produces 120&ndash;200 sticks\/min total throughput (20&ndash;33 sticks\/min per lane &times; 6 lanes simultaneously). SW-1528 single-lane runs 30&ndash;60 sachets\/min with broader bag-width range up to 150&nbsp;mm. Pick SW-C6 when you have a single high-volume small-fill SKU (instant coffee, electrolyte stick) where parallelizing 6 lanes makes economic sense; pick SW-1528 for general-purpose 4-side seal at moderate volume with format flexibility.<\/p>\n          <\/div>\n        <\/details>\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>Can these machines handle viscous sauce in 4-side seal sachets?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>Yes &mdash; the SW-1528 with piston pump filler handles ketchup, soy sauce, hot pot dipping sauce, salad dressing in square 4-side seal sachets up to 30&nbsp;g. Anti-drip nozzle prevents leakage between cycles. CIP-ready stainless contact parts for daily wash-down on food-grade lines. For high-volume liquid stick packs (jelly bar, energy gel), see <a href=\"\/back-seal-pouch-packing-machine\/\">back-seal jelly bar stick<\/a> on the SW-2830A instead.<\/p>\n          <\/div>\n        <\/details>\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>What films and laminates work for 4-side seal?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>PET\/AL\/PE foil laminate is standard for instant coffee and electrolyte sticks (high oxygen barrier needed). Metallized PET for premium stick-pack appearance. PET\/PE for sauce and condiment sachets. Recyclable mono-PE emerging for sustainable retail SKUs. Sealing temperature, jaw pressure, and dwell time adjustable per film type via HMI &mdash; ship sample film to our <a href=\"\/factory\/\">Guangdong factory<\/a> for a sealing test before order.<\/p>\n          <\/div>\n        <\/details>\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>Can I run baby formula safely on these machines?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>Yes, with food-grade configuration. The SW-2030D with auger filler runs single-feed infant formula stick packs with food-grade SUS316L contact parts, integrated dust extraction (powder safety), and pre-test sterilization wash. Specify \"infant formula grade\" at quote stage so we configure the right contact materials and dust handling. Travel-pack baby formula is one of the fastest-growing 4-side seal applications; reach our team via the <a href=\"\/contact\/\">contact page<\/a> for the formula-grade configuration drawing.<\/p>\n          <\/div>\n        <\/details>\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>Lead time and payment terms?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>Standard lead time 25&ndash;35 working days from deposit confirmation to FOB Shantou for SW-C6 \/ SW-2030D \/ SW-1528 &mdash; the same window <a href=\"\/about-us\/\">ShengWei has held since 2003<\/a>. Payment: 30% deposit, 70% before shipment by T\/T. Custom configurations (food-grade SUS316L, multi-language HMI, additional MAP nitrogen module) may add 5&ndash;10 days. Sea freight transit: SE Asia 7&ndash;14 days, Middle East 18&ndash;25 days, Europe 30&ndash;40 days.<\/p>\n          <\/div>\n        <\/details>\n\n        <details class=\"sw-bt-faq__item\">\n          <summary>Can I run a sample test before commitment?<\/summary>\n          <div class=\"sw-bt-faq__answer\">\n            <p>Yes. Ship 2&ndash;5&nbsp;kg of your product (instant coffee powder, electrolyte mix, infant formula, sauce concentrate) plus a sample film roll to our Shantou factory. ShengWei runs a packing test on the actual SW-C6 \/ SW-2030D \/ SW-1528 machine matching your spec, records video of the run, and shares results with recommended speed, fill, and seal settings.<\/p>\n          <\/div>\n        <\/details>\n\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     \u00a78  FINAL CTA\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"sw-cta-dark\">\n  <div class=\"sw-shell\">\n    <div class=\"sw-cta-grid\">\n\n      <div>\n        <span class=\"sw-eyebrow\">Get a Quote<\/span>\n        <h2 class=\"sw-section-title\" style=\"text-align:left\">Ready to spec your 4-side seal stick pack line?<\/h2>\n        <p class=\"sw-lead\">Send us your product type, target output, and stick \/ sachet dimensions. Our engineers reply within 12 hours with a sized quote, layout drawing, and sample-test plan tailored to your SKU &mdash; multi-lane SW-C6 stick pack or single-lane SW-2030D \/ SW-1528 general-purpose.<\/p>\n        <p class=\"sw-workflow-text\">info@shengweimachine.com &middot; +86 181 2511 2025<\/p>\n      <\/div>\n\n      <div class=\"sw-cta-buttons\">\n        <a href=\"javascript:void(0)\"\n           onclick=\"if(typeof elementorProFrontend!=='undefined'){elementorProFrontend.modules.popup.showPopup({id:840})}\"\n           data-elementor-open-popup=\"840\"\n           class=\"sw-btn-primary\">Request a Quote &rarr;<\/a>\n        <a href=\"https:\/\/wa.me\/8618125112025?text=Hello%2C+I%27m+interested+in+4-side+seal+stick+pack+packing+machines.\" class=\"sw-btn-secondary\" target=\"_blank\" rel=\"noopener\">WhatsApp Now<\/a>\n      <\/div>\n\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SCHEMA  \u2014  CollectionPage + BreadcrumbList + FAQPage + ItemList\n     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<script type=\"application\/ld+json\">\n[\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"CollectionPage\",\n    \"name\": \"4 Side Seal Pouch Packing Machines\",\n    \"description\": \"Three ShengWei vertical form-fill-seal lines producing 4-side seal sachets and stick packs for instant coffee, electrolyte hydration, infant formula travel packs, and dipping-sauce sachets at 30\u2013200 sticks\/min. Multi-lane SW-C6 plus single-lane SW-2030D \/ SW-1528.\",\n    \"url\": \"https:\/\/www.shengweimachine.com\/4-side-seal-pouch-packing-machine\/\",\n    \"inLanguage\": \"en\",\n    \"datePublished\": \"2026-05-09\",\n    \"dateModified\": \"2026-05-09\",\n    \"isPartOf\": {\n      \"@type\": \"WebSite\",\n      \"name\": \"ShengWei Machine\",\n      \"url\": \"https:\/\/www.shengweimachine.com\/\"\n    },\n    \"about\": {\n      \"@type\": \"Thing\",\n      \"name\": \"4 side seal pouch packing machine\"\n    },\n    \"publisher\": {\n      \"@type\": \"Organization\",\n      \"name\": \"Guangdong Shengwei Machinery Technology Co., Ltd.\",\n      \"url\": \"https:\/\/www.shengweimachine.com\/\"\n    },\n    \"mainEntity\": {\n      \"@type\": \"ItemList\",\n      \"name\": \"ShengWei Vertical Lines for 4-Side Seal Stick Pack & Sachet Production\",\n      \"description\": \"Three vertical form-fill-seal machines: 6-lane multi-lane SW-C6, single-lane SW-2030D pendular, and single-lane SW-1528.\",\n      \"numberOfItems\": 3,\n      \"itemListElement\": [\n        { \"@type\": \"ListItem\", \"position\": 1, \"url\": \"https:\/\/www.shengweimachine.com\/full-automatic-vertical-packing-machine\/automatic-six-column-four-side-sealing-vertical-packaging-machine\/\", \"name\": \"SW-C6 Six-Column Four-Side-Sealing Vertical\" },\n        { \"@type\": \"ListItem\", \"position\": 2, \"url\": \"https:\/\/www.shengweimachine.com\/full-automatic-vertical-packing-machine\/pendular-small-granule-vertical-packing-machine\/\", \"name\": \"SW-2030D Pendular Small Granule Vertical\" },\n        { \"@type\": \"ListItem\", \"position\": 3, \"url\": \"https:\/\/www.shengweimachine.com\/full-automatic-vertical-packing-machine\/four-side-sealing-packing-machine\/\", \"name\": \"SW-1528 Four-Side Sealing Vertical\" }\n      ]\n    }\n  },\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"BreadcrumbList\",\n    \"itemListElement\": [\n      { \"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/www.shengweimachine.com\/\" },\n      { \"@type\": \"ListItem\", \"position\": 2, \"name\": \"Pouch Types\", \"item\": \"https:\/\/www.shengweimachine.com\/pouch-types\/\" },\n      { \"@type\": \"ListItem\", \"position\": 3, \"name\": \"4 Side Seal Pouch Packing Machine\", \"item\": \"https:\/\/www.shengweimachine.com\/4-side-seal-pouch-packing-machine\/\" }\n    ]\n  },\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      { \"@type\": \"Question\", \"name\": \"What's the difference between 4-side seal and stick pack?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Stick pack is a sub-format of 4-side seal \u2014 specifically the long narrow rectangle used for instant coffee, electrolyte sticks. 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