Leading Biodegradable Bag Factory Manufacturer in the US

Guanzhong Company Overview – Top Biodegradable Bag Factory in the US

As a global leading biodegradable bag factory, Guanzhong has profound experience and technical accumulation in the field of sustainable packaging. With comprehensive R&D capabilities, advanced production equipment, and strict quality management systems, the company provides high-performance, environmentally friendly, and safe biodegradable packaging bags. Guanzhong adheres to the core concepts of technological innovation and environmental protection, integrating sustainable development into every stage of production. The following outlines Guanzhong’s core strengths:

Industrial Park and Production Facilities

• Self-built industrial park covering approximately 200,000 square meters, with production facilities exceeding 100,000 square meters.
• Equipped with advanced R&D centers and standardized workshops, forming a complete production system.

Production Capacity and Team:

• Annual production of approximately 90,000 tons, capable of meeting both small-batch custom orders and large-scale production.
• About 180 production staff with rich experience, familiar with various materials and production processes.
• Over 10 patents applied for, continuously enhancing technological innovation capabilities.

Product Range

• Biodegradable plastic bags, garbage bags, shopping bags, roll bags, and pet waste bags.
• Materials mainly use PLA+PBAT modified composite materials to ensure safety, environmental protection, and biodegradability.

R&D and Technical Advantages

• Own R&D center focused on material modification, ratio optimization, and product performance improvement.
• Customizable bag type, size, thickness, color, and printed patterns according to customer requirements.

Certifications and Standards

• Domestic certifications: GB/T 20197, GB/T 19277.1, GB/T 4806.7 for degradation and food contact standards.
• International certifications: ASTM D6866, ASTM D6400, DIN EN 13432, US FDA food contact testing, BPI biodegradation certification.
• Ensures products are safe, reliable, and environmentally compliant in global markets.

Industry Position

• Rich experience and complete supply chain system.
• As a professional biodegradable bag factory, Guanzhong provides enterprises with high-performance, environmentally friendly, and customizable packaging solutions.

Materials and Technology Used by Guanzhong – Producing High-Quality Biodegradable Bags

Guanzhong’s biodegradable bags mainly use PLA (Polylactic Acid) + PBAT (Polybutylene Adipate Terephthalate) composite modified materials as the base, combining scientific ratios and advanced processes to balance mechanical performance, flexibility, and biodegradability, providing high-quality packaging solutions for customers.

Material Characteristics:

• PLA: Plant-based material derived from corn starch or sugarcane, offering good transparency, rigidity, and industrial compost degradability.
• PBAT: Biodegradable copolyester, providing good flexibility and tear resistance, compensating for PLA’s lack of toughness.
• PLA+PBAT Composite: Guanzhong’s patented formula enables bags to achieve toughness, tear resistance, and stretch resistance while fully degrading under industrial composting conditions within 90–180 days, meeting ASTM D6400 and EN 13432 standards.

Material Modification and Production Capacity:

• 3 biodegradable sheet extrusion lines and 5 biobased modified masterbatch production lines with a monthly output of about 2,000 tons.
• 50 fully automated biodegradable film blowing and printing lines, ensuring uniform film thickness and dimensional stability.
• 25 bag-making lines capable of producing backsheet bags, partition bags, and roll bags automatically, with a monthly output of approximately 1,500 tons.

Material Testing and Verification:

• Mechanical performance: Tensile, tear, and puncture tests using testing machines.
• Biodegradability: Soil burial tests and industrial composting simulations to ensure products degrade within the specified time.
• Food safety: Certified by FDA and Chinese food contact safety standards.

Through strict material selection and modification processes, Guanzhong’s biodegradable bags are safe, environmentally friendly, and highly customizable, suitable for retail, catering, waste collection, and pet care applications, providing customers with reliable and high-performance packaging solutions.

Guanzhong Custom Services – From Concept to Finished Product

Guanzhong provides complete custom biodegradable bags services, controlling the process from customer requirements to finished products to ensure every step meets high standards.

Customization Process:

1. Requirement Communication: Customers provide intended use, load-bearing, size, thickness, and printing requirements, Guanzhong develops an initial plan accordingly.
2. Design and Modeling: Using CAD or 3D modeling software to create bag designs, simulating size and strength to ensure practical performance.
3. Raw Material Matching: Selecting suitable PLA+PBAT composite or other biobased materials according to functional requirements to ensure durability and biodegradability.
4. Sampling and Verification: Free samples are provided for tensile, tear, and practical use testing to confirm design and material performance.
5. Mass Production: Upon sample approval, 50 film blowing lines and 25 bag-making lines conduct bulk production, ensuring dimensional consistency and print quality.
6. Inspection and Delivery: Each batch undergoes thickness, strength, printing, and biodegradability checks before packaging and shipping.

Customizable Parameters:

• Bag Type: Backsheet, partition, and roll bags;
• Size: Customizable according to load and usage scenarios;
• Thickness: 20–100 microns to balance flexibility and durability;
• Color and Pattern: Supports corporate logo printing or personalized designs, enhancing brand recognition.

Guanzhong Production Process and Quality Control

Guanzhong has established a complete production process system and quality control procedures to ensure that every batch of biodegradable bags meets domestic and international standards.

Production Process:

• Film blowing: 50 fully automated biodegradable film blowing and printing lines, ensuring uniform film thickness and dimensional stability.
• Bag making: 25 bag-making lines capable of producing backsheet bags, partition bags, and roll bags automatically, with a monthly output of approximately 1,500 tons.
• Material modification: 3 sheet extrusion lines and 5 biobased modified masterbatch production lines, monthly output about 2,000 tons to enhance flexibility and tear resistance.
• Full automation: Raw material weighing → extrusion → film blowing → printing → bag making → packaging, reducing human error.

Quality Control:

• Raw material inspection: Strict selection of PLA, PBAT, and modified masterbatches to ensure material stability.
• Mechanical performance testing: Tensile, tear, and puncture tests.
• Biodegradability verification: Soil burial tests and industrial compost conditions to meet ASTM D6400 and EN 13432 standards.
• Food safety testing: Certified by FDA and Chinese GB standards for food contact, ensuring safe and reliable products.

Why Choose Guanzhong – Collaboration Advantages Summary

Choosing Guanzhong to produce biodegradable bags offers the following advantages:

• Extensive Experience: Nearly 200,000 square meters of industrial park, 90,000 tons annual production, complete production equipment, experienced technical team
• Flexible Customization: Supports small batch minimum orders (1 ton raw material), customizable in color, size, thickness, printing, and style
• Technical Expertise: Own R&D center, mastering PLA+PBAT modification and material ratio technology, ensuring stable product performance
• Authoritative Certification: Multiple domestic and international food contact and biodegradation certifications (FDA, ASTM, DIN EN 13432, BPI), ensuring safety, traceability, and reliability
• Fast Response: Mold time 7 days, production cycle 15 days, supporting OEM/ODM services for quick delivery
• Environmental Concept: Using fully biodegradable materials throughout, in line with international environmental trends, providing solutions for enterprise sustainability

Guanzhong, with advanced material technology, complete production systems, strict quality control, and full custom services, maintains a leading position in the US and global markets, making it an ideal partner for enterprises implementing sustainable packaging strategies.

Choosing Guanzhong’s biodegradable bags allows enterprises not only to obtain high-performance, safe, and reliable eco-friendly packaging but also to showcase brand image through customized solutions, achieving green development goals. Enterprises can immediately contact Guanzhong to obtain free samples and professional custom biodegradable bags services, experiencing a one-stop solution from design to finished product, making the implementation of eco-friendly, biodegradable packaging effortless.