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  • Mono-Material Package
    Mono-Material Packaging refers to packaging built entirely from a single polymer family — PP/PP or...
    Mono-Material Package
  • Coffee Packaging Bag
    Food-grade low-density polyethylene granules combined with aluminum foil, ensuring optimal freshness...
    Coffee Packaging Bag
  • Pet Food Packaging Bag
    Featuring a sliding zipper for easy opening and resealing, these bags are made from food-grade LDPE ...
    Pet Food Packaging Bag
  • Multi-layer Co-extruded Film
    Our company has introduced advanced multi-layer co-extrusion production equipment, focusing on the p...
    Multi-layer Co-extruded Film
  • Eight-Side Seal Bag
    The eight-side sealed bag is a multi-sided sealed packaging bag. Due to its unique structural design...
    Eight-Side Seal Bag
  • Stand up Pouch
    The bottom design of the stand-up pouch allows it to stand steadily, providing convenient storage an...
    Stand up Pouch
  • Kraft Paper Pouch
    Kraft paper bags are an environmentally friendly packaging bag. Due to their natural texture, kraft ...
    Kraft Paper Pouch
  • Spout Pouch
    Spout pouches are used for packaging liquids, semi-liquids, and viscous products, such as beverages,...
    Spout Pouch
  • Frozen Food Packaging Bag
    Frozen food packaging bags are made from materials that are resistant to low temperatures, water, ox...
    Frozen Food Packaging Bag
  • Custom Printing Film Roll
    Printed film rolls feature functions such as waterproofing, moisture resistance, and heat sealing. W...
    Custom Printing Film Roll
  • Sticker Label
    Label stickers combine practicality and decoration, and can be used for brand promotion, product inf...
    Sticker Label
  • Digital Printing-Low MOQ
    Digital printing has become the ideal choice for modern small-batch production due to its advantages...
    Digital Printing-Low MOQ

Flexible Pouch Packaging Suppliers

Shengchang is a leading manufacturer specializing in high-performance flexible packaging solutions. We are Flexible Pouch Packaging Suppliers and High Barrier Flexible Packaging Company in China. With a commitment to innovation, quality, and sustainability, we provide cutting-edge packaging materials that enhance product safety, extend shelf life, and improve brand presentation. Our expertise spans across industries such as food packaging, medical supplies, and industrial applications, ensuring tailored solutions that meet global standards.
Equipped with state-of-the-art co-extrusion film production lines and a dedicated R&D team, we continuously refine our processes to deliver packaging solutions that combine superior performance, eco-friendliness, and cost-effectiveness. Our mission is to empower businesses worldwide with customized, high-barrier packaging solutions that elevate product value and market competitiveness. Supply Wholesale Flexible Plastic Pouches and High Barrier Pouches & Bags.
2011

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SC Shanghai New Material Tech. Co.,Ltd. is a China-based flexible packaging manufacturer producing high-barrier pouches, bags and roll film for food, pet food, medical and industrial applications. Our range covers mono-material recyclable structures, coffee and pet food packaging, multi-layer co-extruded film, stand-up and spout pouches, kraft paper pouches, frozen food bags, printed film rolls, labels and low-MOQ digital printing.

We build each product around the filling method, barrier target, shelf-life requirement and packing-line interface, then confirm material structure, thickness, sealant layer and print specification before production. This Products manufacturer page sets out the full range and the information we use to prepare a configuration and quotation.

Our Flexible Packaging Product Range

We manufacture pre-made pouches, bags and roll film from PA/PE and PA/EVOH/PE high-barrier structures, with 7-layer, 9-layer and 11-layer co-extrusion film blowing on site. Each product family below addresses a specific filling, storage or retail condition rather than acting as a generic alternative.

Product family Typical structure Application fit
Mono-Material Package PP/PP or PE/PE single polymer family Recyclable refill pouches, frozen food, liquid and personal care
Coffee Packaging Bag PET/AL/PE, PET/VMPET/PE with one-way valve Roasted beans, ground coffee, drip coffee filter film
Pet Food Packaging Bag Food-grade LDPE with slider zipper 1–15 kg dog and cat food, treats, resealable retail packs
Multi-layer Co-extruded Film 7–11 layer PA/PE, PA/EVOH/PE thermoforming film Vacuum, thermoforming, meat, seafood, dairy, bakery
Eight-Side Seal Bag Multi-panel flat-bottom construction 250 g–5 kg coffee, chocolate, snacks, premium retail
Stand up Pouch Bottom-gusset pouch, zipper or tear notch Candy, frozen food, universal dry and semi-dry goods
Kraft Paper Pouch Kraft paper laminate, degradable option Coffee, tea, dry goods, natural and organic branding
Spout Pouch Sealed spout with high-sealing film Sauces, detergents, beverages, viscous and liquid products
Frozen Food Packaging Bag Low-temperature resistant, puncture-resistant film Frozen seafood, steak, dog food, anti-freeze stand-up bags
Custom Printing Film Roll Printed roll film, waterproof and heat-sealing VFFS and HFFS lines, cosmetic, steak, popsicle, snack
Sticker Label Self-adhesive, waterproof and oil-proof Coffee bags, cosmetics, brand and product information
Digital Printing-Low MOQ Digital print, no plate cost Small-batch coffee, snack and trial runs, colourful short runs

Application Fit Across Food, Pet Food and Industrial Use

Our products are used across coffee beans, milk powder, candy, meat, sausage, bread, snacks and dog food, plus medical supplies and industrial applications. The material structure follows the product's sensitivity to oxygen, moisture, light and aroma, and the storage condition it must survive.

  • Oxygen and aroma sensitive: coffee, nuts and dairy need EVOH or foil barrier layers plus a one-way valve where CO₂ release occurs.
  • Low-temperature storage: frozen seafood, steak and frozen pet food need films that resist cracking and punctures at low temperature.
  • Liquid and viscous fill: sauces, detergents and drinks use spout pouches with a high-sealing film and sealed spout.
  • Recyclable formats: mono-material PP/PP and PE/PE structures suit brands targeting plastic-reduction compliance.

For a recyclable refill format, our PE Recyclable Refill Stand-Up Spout Pouch combines a single-polymer body with a spout for liquid refill use.

Material and Barrier Selection

We work from PA/PE and PA/EVOH/PE high-barrier materials, and we adjust thickness, layer count and barrier grade to the shelf-life target. All plastic pellets are 100% brand-new food-grade material complying with FDA and EU food-safety standards.

  • PA/PE: general barrier with strong puncture and tear resistance for vacuum and frozen packaging.
  • PA/EVOH/PE: high oxygen barrier for meat, seafood, dairy and bakery where shelf life is critical.
  • PET/AL/PE and PET/VMPET/PE: foil and metallised structures for coffee and aroma-sensitive dry goods.
  • Mono-material PP/PP or PE/PE: recyclable structures for refill, frozen and liquid formats.

Printing uses solvent-free food-grade ink, and we offer matte or gloss finishes with high-resolution graphics for brand presentation.

Configuration Options and Automation Integration

We configure each product around the filling line, not only the pack appearance. Roll film is supplied for VFFS and HFFS lines, while pre-made pouches are supplied with the closure and opening features the packer requires.

  • Closures: slider zipper, press-to-close zipper, spout, tear notch and one-way valve.
  • Formats: stand-up pouch, flat-bottom and eight-side seal bag, three-side seal, spout pouch, shaped bag and roll film.
  • Special functions: anti-fog, moisture-proof, light-blocking, puncture-resistant and low-temperature resistant.
  • Print: 10-colour rotogravure for custom artwork, digital printing for low-MOQ and short runs.
  • Labels: self-adhesive sticker labels for coffee bags, cosmetics and product information.

For coffee and snack lines running at speed, film slip, sealant layer and web width are matched to the machine so that throughput is not limited by the packaging material.

Quality Control and Acceptance Testing

Production is controlled under ISO 9001, HACCP, BRC, GMP and ISO 13485 systems. We inspect after each process and carry out 100% inspection of final products according to customer requirements and international standards.

  • Physical testing: tensile strength, puncture resistance and seal performance.
  • Chemical testing: material composition analysis and gas barrier testing.
  • Environmental simulation: freezing, vacuum and transport simulation.
  • Traceability: every batch traceable from raw material to finished product, with inspection reports available per batch.

Where a project requires acceptance criteria, we agree the test items and sampling plan before mass production so that incoming inspection at your plant matches our outgoing inspection.

Capacity, Delivery and Supply Support

We operate two printing lines with a daily capacity of 550,000 packaging bags and 2,500 tons of roll film. Our factory is in Songjiang District, Shanghai, about 50 km from Shanghai Port, which supports sea freight for volume orders and air freight for urgent shipments.

Standard white and black public-version bags such as 250 g, 500 g and 1 kg coffee bags are held in stock. Custom production follows a 30% deposit before production and 70% balance before delivery, with FOB, CIF and CNF terms available and T/T or L/C accepted.

Information We Use to Configure Your Solution

To prepare an accurate structure, size and print quotation, we work from the following project inputs. Supplying them together shortens the review cycle and reduces the risk of a structure change after sampling.

Input What we need Why it matters
Product Type, weight, moisture, oil and aroma sensitivity Determines barrier grade and sealant layer
Shelf life Target months and storage condition Sets EVOH or foil requirement
Pack format Pouch, bag or roll film; size and fill weight Defines structure, gusset and closure
Filling line Machine type, speed, web width, core size Matches film slip and roll dimensions
Artwork Ready .ai or .pdf files, colour and finish Confirms print method and plate or digital setup
Quantity and market Order volume, destination, compliance needs Selects rotogravure or low-MOQ digital printing

We do not provide design services, so artwork should arrive as ready .ai or .pdf files. For projects needing structural development, our Customized Service covers needs assessment, material customisation, structural design, printing and production.

Frequently Asked Questions

Are you a direct manufacturer or a trading company?

We are a direct manufacturer established in 2011, with more than 90 employees including over 10 technical staff, and we hold BRC, HACCP and GMP certificates.

What products can you offer?

We mainly produce 7–11 layer co-extruded stretch film, pet food bags, coffee bags and customised roll film, together with mono-material pouches, stand-up and spout pouches, kraft paper pouches, frozen food bags, sticker labels and low-MOQ digital printing.

Can you produce customised packaging?

Yes. We mainly produce customised products according to customer drawings or samples, and customers usually provide .ai or .pdf files. We do not provide design services.

Do you hold stock bags?

Yes. For white and black public-version bags such as 250 g, 500 g and 1 kg coffee bags, we hold a certain amount of stock.

How do you ensure product quality?

We inspect after each process and carry out 100% inspection of final products according to customer requirements and international standards, supported by physical, chemical and environmental simulation testing and batch traceability.

How are goods delivered?

We usually ship by sea because our factory is about 50 km from Shanghai Port. For urgent goods we can also ship by air from Shanghai International Airport.