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Bottom Sealing Bag Making Machine

Built for stable and high-speed bag production, our Bottom Sealing Bag Making Machine delivers accurate bottom sealing and uniform bag formation. It is suitable for various film materials and bag applications, helping manufacturers achieve dependable sealing performance, smooth operation, and efficient continuous production.

  • SNW-GFQ Series Single Line Heavy Bag Cutting Machine (non-stretching style)

    SNW-GFQ Series Single Line Heavy Bag Cutting Machine (non-stretching style)

    Sinowin’s Single-Lane Non-Stretch Cold Cutting Bag Making Machine Series is precision-engineered for the manufacturing of premium, non-deformed flat bags, heavy-duty sacks, and high-quality bottom-sealed bags. Featuring an advanced tension-free material feeding system, this high-performance line guarantees that pre-printed patterns and thin or thick films are processed without any structural stretching or distortion. Combining robust thermal sealing with a high-speed mechanical flying knife for cold cutting, it represents the ultimate standard for factories requiring pristine bag edges and impeccable dimensional accuracy.

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    • OUR CORE ADVANTAGES

    CUSTOM SOLUTIONS. RELIABLE RESULTS.

    INNOVATIVE DESIGN

    Engineered for performance. user-friendly operation, and easy maintenance

    RELIABLE QUALITY

    Built with premium
    components and strict quality control,

    FLEXIBLE SOLUTIONS

    Custom configuration
    to fit your unique
    production needs.

    GLOBAL SUPPORT

    Local service teams and fast response wherever you are.

    FREQUENTLY ASKED QUESTIONS

    Everything You Need to Know As a First-Time Buyer

    We understand that investing in a printing and packaging machine is a big decision. Here are answers to the most common questions from first-time buyers.

    How much does a printing and packaging machine production line cost?

    The cost depends on machine type, configuration, printing width, automation level and production speed. We supply both standard machines and customized production lines. Please contact us for a detailed quotation.

    We manufacture CI（central impression）, gearless, stack and inline flexo printing machines for flexible packaging and label production. These machines are used for plastic films, paper, aluminum foil, nonwoven materials and other packaging applications.

    Technical support is available during the whole machine lifecycle. Our engineers can assist with remote troubleshooting and spare parts support to keep your production stable.

    We usually need details such as printing material, application, printing width, number of colors and expected production capacity. With these basics, we can recommend a suitable flexo printing machine for your project.

    Delivery is generally around 60 to 120 days, depending on the machine model and customization requirements. The final schedule will be confirmed once the order is placed.

    Yes. We provide installation, commissioning and operator training to support smooth start-up of production. Remote assistance is available, and on-site service can be arranged if required.

    Our flexo printing machines are suitable for plastic films, paper, aluminum foil, nonwoven fabrics and PP woven materials. They are commonly used in food, beverage, medical, hygiene, label, shopping bag and industrial packaging applications.

    Yes. We supply original spare parts for long-term use to support stable machine operation and reduce downtime.

    About Sinowin: Your Trusted Partner in Advanced Packaging Machinery

    With a decade of deep-rooted expertise in the mechanical industry, Sinowin has established itself as a premier manufacturer and professional exporter specialized in high-performance packaging solutions. Built on 10 years of industrial experience, we bridge the gap between advanced engineering and the global demand for reliable, high-efficiency machinery.

    Our professional journey is driven by a commitment to precision. We understand that in the world of manufacturing, every millimeter and every second of uptime counts.

    50
    +
    Countries We Serve
    100
    +
    Advanced packaging Machinery
    10
    +
    Years of Packaging Machinery Experience
    15
    +
    RAD and Engineering Experts

    What We Do

    At Sinowin, we provide comprehensive, turnkey production solutions across two core sectors:

    Plastic Processing Excellence: We offer integrated lines including high-speed Film Blowing Machines, Flexographic Printing Machines, and Bag Making Machines. Our equipment is engineered to maximize output while minimizing material waste.

    Sustainable Paper Packaging: To meet the global shift toward eco-friendly alternatives, we provide cutting-edge Paper Bag Making Machines and Paper Cup Machines. These solutions empower businesses to lead the “green transition” with high automation and stability.

    Finished Bag Showcase

    solution for each type bag

    Supermarkets, grocery stores, and daily retail food outlets.

    The most classical, high-volume cost-effective plastic carriers with excellent tensile strength for bulk shopping.

    Fresh produce sections, meat counters, and bakery fruit containment.

    Perforated star-sealed or flat-bottom bags on a continuous roll, designed for rapid, hygienic food-grade tearing.

    Industrial waste management, household cleaning, and janitorial logistics.

    Formulated with multi-layer co-extrusion thickness to deliver supreme puncture resistance and leak-proof seal security.

    Boutique apparel shops, cosmetic branding, and gift packaging.

    Elegant fashion packaging featuring a reinforced punch hole, offering a smooth look and comfortable hand grip.

    Organic grocery delivery, flour/grain packaging, and fast-food takeout expansion.

    Classic stand-up square bottom design without handles, maximizing packing efficiency and stacking convenience in warehouses.

    Upscale fashion retail franchises, department stores, and luxury gifting.

    Premium, eco-friendly rigid block-bottom carriers fitted with sturdy inline flat or twisted handles to elevate brand identity.

    Quick-service bakery chains, fried snack outlets, and French bread sleeves.

    Ultra-high-speed mechanical fabrication, ideal for fast-paced food environments requiring lightweight, cost-friendly protection.

    Premium confectionery showrooms, artisanal bread window display, and medical containment

    Integrates a transparent clear-view window and integrated handle cutouts to showcase pristine food fresh status directly.

    BOOST YOUR PACKAGING PRODUCTION EFFICIENCY

    WITH SINOWIN ADVANCED MACHINERY SOLUTIONS

    Discover how SINOWIN provides complete packaging solutions for efficient and reliable production:

    Stable production with precise processing and consistent quality.

    Efficient machine design reduces waste, energy use, and costs.

    Smart control systems enable easy operation and reliable performance.

    Flexible solutions cover film, bags, printing, cups & bag production.

    Advanced automation enables faster production and higher efficiency.

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