Top Biodegradable Produce Bags Wholesale Manufacturer in 2026

Guanzhong Factory and Production Strength

Guanzhong is located on Dongping Light Industry Avenue, Yongchun County, Quanzhou City, Fujian Province, covering approximately 200,000 square meters, with a total production workshop area exceeding 100,000 square meters. The company is equipped with an advanced R&D center and standardized workshops dedicated to the research and manufacturing of bio-based and biodegradable materials.

The factory has multiple efficient production lines to ensure stable supply for wholesale customers:

• Injection Molding: 50 fully automated injection molding lines, with a monthly output of approximately 2,000 tons, capable of producing bags with various thicknesses and structures.
• Blister Forming: 8 fully automated thermoforming lines, with a monthly output of approximately 800 tons, supporting special packaging needs.
• Blown Film & Bag Making: 50 biodegradable film blown printing lines and 25 bag-making lines, with a monthly output of about 1,500 tons, ensuring flexible customization for different sizes, thicknesses, and printing requirements.
• Bio-based Modified Materials Production: 3 biodegradable sheet extrusion lines and 5 masterbatch production lines, with a monthly output of about 2,000 tons, providing high-quality raw materials for bags.

The factory has 180 professional production staff and more than 10 patented technologies supporting process optimization and product innovation. Guanzhong adopts standardized and intelligent production management systems to ensure every step from raw material to finished product meets strict quality control standards.

Professional Materials and Innovative Processes

Guanzhong’s biodegradable bags are made from PLA+PBAT modified bio-based composite materials, which have excellent degradability and physical strength. Raw materials are traceable, ensuring environmental friendliness and sustainable supply.

The main process includes:

1. Mixing: PLA and PBAT are scientifically blended with modified masterbatch to improve toughness and tensile strength.
2. Blown Film: High-precision blown film equipment produces uniform thickness films as the base material for bag making.
3. Printing: Supports multi-color printing and personalized patterns to meet the needs of supermarkets, agricultural products, and branding clients.
4. Cutting and Sealing: Automatic bag-making equipment ensures accurate bag dimensions and secure sealing.

Guanzhong bags can fully degrade in soil and have passed multiple certifications and tests:

• China Standards: GB/T 20197, GB/T 19277.1, GB/T 4806.7
• International Standards: ASTM D6866, ASTM D6400, DIN EN 13432
• Industrial Compost Certification: BPI, DIN Industrial Compost Certification

This combination of materials and processes ensures that the bags are both environmentally friendly and practical, maintaining stable performance during transportation, storage, and use.

Customization Services and Wholesale Advantages

Guanzhong provides comprehensive customization services, meeting the functional and branding needs of different customers, combined with production capacity and stable supply advantages for wholesale clients.

Customization Service Content

• Size Customization: Guanzhong can provide various length, width, height, and thickness options according to the needs of agricultural products, supermarket shopping bags, or household trash bags, from light daily-use bags to heavy-duty reinforced bags, adapting to different load and usage environments.
• Pattern and Printing Customization: Supports enterprise logos, brand identification, colors, and various printed patterns. Customers can choose agricultural product patterns, festive elements, or promotional information. Multi-color printing and personalized design enhance brand recognition and make every bag both practical and aesthetically pleasing.
• Bag Style Customization: Provides multiple styles including vest bags, partitioned bags, roll bags, and tote bags. Multi-functional partitioned bags or foldable roll bags can be designed to meet different usage scenarios while ensuring load-bearing and convenience.
• Material Ratio Customization: Based on PLA+PBAT, Guanzhong can adjust toughness, tensile strength, and degradation speed according to customer needs. Clients can also select environmental standard levels or durable materials to ensure bag stability during transport, storage, and use.
• Functional Customization: Bags can have double-sided thickening design to enhance tear and stretch resistance. Anti-leak, anti-static, or moisture-proof treatments can also be applied to meet special logistics and storage requirements. Bottom embossing or reinforced sealing further improves load stability.
• Flexible Batch Customization: The minimum order quantity is only 1 ton of raw materials, supporting trial orders or small sample batches. Mold time is about 7 days, production cycle about 15 days, quickly responding to market demand and urgent orders.

Wholesale Advantages

• High Production Capacity: Guanzhong has an annual output of approximately 90,000 tons, ensuring stable supply for bulk orders and meeting the needs of wholesale clients reliably.
• Standardized Production and Quality Control: The factory adopts standardized production processes, and each batch undergoes strict quality inspection, ensuring consistent physical properties, degradability, and printing effects.
• Professional Logistics and Service: Guanzhong has a professional logistics and customer service team, tracking orders from confirmation to production, packaging, and shipping, ensuring wholesale clients receive timely and reliable support.
• Extensive Customer Cases: Guanzhong’s biodegradable bags have been widely used by farms, supermarkets, and export markets, accumulating rich wholesale cooperation experience, capable of quickly adapting to different customer needs, and providing efficient customization and bulk supply solutions.

Guanzhong Product Performance Advantages and Professional Assurance

Guanzhong’s biodegradable bags are not only environmentally friendly but also have significant advantages in performance and reliability, meeting various packaging, transport, and storage needs.

• Environmental and Degradability Performance: Guanzhong’s bags are made from PLA+PBAT modified bio-based composites and can fully degrade in soil or industrial compost. They have passed China GB/T 20197, GB/T 19277.1, GB/T 4806.7 degradability and food contact safety tests, comply with ASTM D6866, ASTM D6400, DIN EN 13432 international standards, and hold BPI, DIN Industrial Compost Certifications.
• Physical Performance: The double-sided thickening design ensures strong toughness, stretch, and tear resistance. Bags maintain stable load-bearing for agricultural transport, supermarket shopping, or household waste. Bottom embossing and reinforced sealing improve load stability, reducing breakage during handling.
• Customization Function Assurance: .Guanzhong offers multiple bag types including vest bags, roll bags, partitioned bags, and tote bags. Customers can customize size, thickness, and printed patterns, ensuring practicality and brand representation. Material ratios and processing can be adjusted according to use scenarios to enhance tensile strength or accelerate degradability.
• Strict Quality Control System: From raw material procurement, mixing, film blowing, printing, to bag making, every production step undergoes rigorous quality control. Advanced testing equipment monitors physical properties, degradability, and printing results in real-time, ensuring each batch meets standards. Standardized production and automation guarantee consistency in large orders.
• Reliable Wholesale Supply: With an annual production capacity of 90,000 tons, Guanzhong ensures stable supply for wholesale clients and quickly responds to order changes. Flexible mold and production schedules (7-day mold, 15-day production) allow customers to obtain customized products promptly.
• Application Scenario Adaptability: Guanzhong’s biodegradable bags are suitable for agricultural packaging, supermarket shopping, household waste, and pet waste. Size, thickness, and patterns can be customized according to application, ensuring stable performance while maintaining environmental friendliness.

Guanzhong Biodegradable Bags Application Scenarios

Guanzhong’s biodegradable bags are widely used in practical scenarios:

• Agricultural Product Packaging: Suitable for fruits, vegetables, and dried goods, ensuring no damage during transport and fully biodegradable to reduce environmental impact.
• Supermarket Shopping Bags: Multiple specifications and reinforced designs meet the load-bearing requirements of supermarkets, with the option for branded printing to enhance consumer experience.
• Household Trash Bags: Durable, safe, non-toxic, and odorless, suitable for daily household use, with post-use degradability aligning with eco-friendly practices.
• Pet Waste Bags: Compact, durable, and fully degradable, making pet waste management convenient and environmentally responsible.
• Export and Cross-Border Transport: Compliant with international biodegradability standards, export clients can use these bags with confidence, in line with global environmental regulations.
• Guanzhong can customize size, thickness, patterns, and colors according to customer requirements, providing flexible solutions. This makes the bags not only eco-friendly and practical but also brand-recognizable and market-competitive.

With advanced factory facilities, strict quality control, professional materials and processes, flexible customization services, and versatile application scenarios, Guanzhong has become the top choice for 2026 biodegradable produce bags wholesale and biodegradable bag factory.

Choosing Guanzhong means obtaining high-quality biodegradable bags with professional wholesale support and flexible customization solutions. Clients are welcome to contact Guanzhong for samples and cooperation, jointly promoting the development and popularization of eco-friendly packaging.