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Automatic Square Bottom Paper Bag Making Machines - Newtop Machinery

The Standard for Retail and Grocery Packaging.

Square Bottom Paper Bags (also known as Block Bottom Bags) are the preferred choice for supermarkets, clothing brands, and food delivery services because of their ability to stand upright and carry heavier loads.

Newtop’s series of Square Bottom Paper Bag Machines are fully automated, roll-fed systems designed to convert raw paper rolls into finished bags in a single pass. From side gluing and tube forming to bottom cutting and gluing, every step is precise.

Fully Automatic Square Bottom Paper Bag Machines: Premium Solutions for Retail & Shopping

Elevate your packaging portfolio with Newtop’s Square Bottom Paper Bag Machines. Often referred to as "Block Bottom" or "SOS" (Self-Opening Sack) machines, these are the gold standard for producing high-value, upright-standing bags demanded by fashion brands, supermarkets, and luxury retailers. Unlike basic models, our advanced series offers fully automatic inline handle application, capable of attaching twisted or flat handles directly onto the bag during formation. This "All-in-One" capability eliminates manual labor, drastically reducing your cost per bag. Powered by precision Servo systems for accurate paper feeding, our machines deliver the structural integrity and aesthetic quality required for the premium market.

Why Newtop Machine?

Why Global Brands Trust Newtop Square Bottom Paper Bag Machines?

We combine precision engineering with practical design. Our goal is simple: to provide you with a printing machine that offers the best balance of quality, stability, and return on investment.
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Ryan
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Knowledge Hub

Square Bottom Paper Bag Machines Knowledge Hub | Newtop Machinery

Explore our curated knowledge hub dedicated to Square Bottom Paper Bag Machines. Our articles cover machine structure and features, installation and setup guidance, routine maintenance, and effective troubleshooting. Discover practical applications of Square Bottom Paper Bag Machines in various industries, learn about the latest machine technologies, and explore methods to optimize productivity, enhance efficiency, and reduce downtime.

Faq

Frequently Asked Questions

Common questions about purchase, shipping, and service.

  • How do you ensure the machine quality before delivery?

    We have a strict "Zero-Error" policy. Before shipment, we run the machine continuously for 24-48 hours using your specific raw materials (or standard equivalents). We will send you a live video call or detailed recording of the trial run. The machine is only packed after your final approval.

  • Can the machine be customized to my local voltage (e.g., 220V/60Hz/3Phase)?

    Yes, absolutely. We customize the electrical components (Motors, Inverters, Heaters) to match your country's power standard, whether it is 220V, 380V, 415V, or 440V, 50Hz or 60Hz.

  • Do you provide overseas installation and operator training?

    Yes. We offer two options:

    • On-Site Service: We can dispatch engineers to your factory for setup and training (Visa/Ticket/Accommodation fees apply).
    • Remote Guide (Free): For simpler machines, we provide step-by-step video tutorials and 24/7 video call support to help your team install it easily.

  • What is the warranty period and how do I get spare parts?

    We provide a 1-Year Standard Warranty on all core mechanical and electrical parts. For spare parts, we keep a large inventory in our warehouse. Critical parts are shipped via DHL/FedEx Priority to reach you worldwide within 3-5 days.

  • What is the typical lead time (production time)?

    Standard models are usually in stock or take 15-20 days to finish. Customized machines typically require 30-45 days. Please contact our sales team for the exact schedule based on our current production load.

  • Can you help with shipping and logistics?

    Yes. We have over 10 years of export experience. We can handle FOB, CIF, or DDP (Door to Door) terms. We professionally pack machines in Vacuum-sealed Foil and Export-Standard Wooden Cases to prevent rust and damage during ocean freight.

  • What payment terms do you accept?

    Our standard term is 30% T/T deposit to start production, and 70% balance before shipment (after you approve the machine testing video). We also accept Irrevocable L/C at sight for large orders.

  • Why should I choose Newtop over other suppliers?

    Because we don't just sell machines; we sell Production Success. Unlike others who disappear after the sale, Newtop offers Lifetime Technical Support, honest advice on machine configuration, and a proven track record of helping clients build profitable factories in over 50 countries.

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