PolybagChina.com | China Biodegradable & Compostable Plastic Bag Manufacturer

About KatCheung

KatCheung is a professional packaging-bags manufacturer in China, specializing in high-quality polybags, plastic bags, doypacks, composite pouches, compostable plastic bags, bio-degradable plastic bags, and PVA water-soluble bags.

We are committed to sustainable innovation, focusing on EN13432 bio-degradable packing materials, eco-friendly water-soluble films, and OK Compost-certified bioplastics. Our mission is to support global brands in reducing plastic pollution with reliable, certified green packaging.

15+

Years Experience

50+

Global Clients

Our Eco-Friendly Products

Discover our range of certified biodegradable, compostable, and water-soluble packaging solutions designed for sustainability without compromising performance.

Clear Compostable Biodegradable Garment Bag

Clear Compostable Garment Bag

Perfect for retail clothing, fully compostable and meets EN13432 standards.

✓ OK Compost Certified
✓ ASTM D6400 Compliant
✓ Transparent & Durable

Flushable Napkin Wrapper

Designed for sanitary products, dissolves safely in water systems.

✓ Water-Soluble Technology
✓ Septic & Sewer Safe
✓ BPI Certified

PLA Compostable Films

Made from renewable plant-based resources, ideal for food packaging.

✓ Plant-Based PLA
✓ Industrial Composting
✓ FDA Compliant

Compostable T-Shirt Bag

Eco-friendly shopping bag with reinforced handles for retail use.

✓ EN13432 Certified
✓ High Load Capacity
✓ Custom Printing Available

Water-Soluble Agro Bag

Used for pesticides and fertilizers, dissolves completely in water.

✓ PVA Material
✓ Cold Water Soluble
✓ Zero Residue

Compostable Waste Bag

Roll-based compostable garbage bags for home and commercial use.

✓ ABA AS4736 Certified
✓ Odor Resistant
✓ Multiple Sizes

Ziplock & Reclosure

Reclosure Ziplock Bag

Reusable, sealable bags made from compostable materials.

✓ Resealable Design
✓ Moisture Resistant
✓ Ideal for Food Storage

OPP Compostable

OPP Compostable Bag

Clear OPP film with compostable additives, meets ASTM D6868.

✓ ASTM D6868 Certified
✓ High Clarity
✓ UV Resistant

Why Choose PolybagChina?

We combine cutting-edge eco-materials with strict quality control and global certifications to deliver packaging that’s sustainable, reliable, and scalable.

Certified Sustainability

Certified by ISO, BPI, EN13432, OK COMPOST, ASTM D6400, ASTM D6868, ABA AS4736, AS5810, D2W, EPI, TDP, and BDP. We meet the highest global standards.

High Performance

Our bags offer excellent tensile strength, clarity, and durability—proving that eco-friendly doesn’t mean compromising on quality.

Global Reach

Trusted by clients across North America, Europe, and Asia. We support OEM/ODM orders with custom sizes, printing, and packaging.

Frequently Asked Questions

What is the difference between biodegradable and compostable?

Biodegradable means the material breaks down naturally over time. Compostable means it breaks down into non-toxic components under specific industrial composting conditions (like heat, moisture, and microbes), leaving no harmful residue.

Are your compostable bags home-compostable?

Most of our compostable bags are certified for industrial composting (EN13432, ASTM D6400). Some products are also suitable for home composting—please check product specifications or contact us for details.

Can I customize the size and printing?

Yes! We offer full customization including size, thickness, color, and printing (up to 8 colors). MOQ varies by product type—contact us for a quote.

How do water-soluble bags work?

Made from PVA (polyvinyl alcohol), these bags dissolve completely in water, leaving no microplastics. Ideal for detergents, agrochemicals, and medical applications.

What certifications do you hold?

We are certified by ISO, BPI, EN13432, OK COMPOST, ASTM D6400, ASTM D6868, ABA AS4736, AS5810, D2W, EPI, TDP, and BDP. All certifications are available upon request.

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Eco-Friendly Packaging
From China

About KatCheung

15+

50+