OEM Flat Plastic Bag Manufacturers & Factories

High-Barrier, Sustainable, and Precision-Engineered Flexible Packaging Solutions for Global Brands

Manufacturing Leader Since 2001

Jieyang Yuanzhong Printing Co., Ltd.

Established in 2001 and located in Jiedong District, Jieyang City, Guangdong Province, Jieyang Yuanzhong Printing Co., Ltd. is a recognized leader in the flexible packaging printing industry. With over two decades of industry expertise, we specialize in high-end packaging decoration printing and the large-scale production of customized flat plastic bags and flexible roll films.

Our commitment to excellence is reflected in our advanced production facilities. We operate cutting-edge Japanese Komori fully automatic printing lines alongside solvent-free lamination systems, enabling an impressive monthly output exceeding 240 tons. By utilizing precise registration and multi-layer structural co-extrusion, we ensure consistent supply and immaculate print replication for global markets.

With an export network spanning over 30 countries, we maintain high standards of quality assurance. We operate under strict compliance protocols, supplying FDA-approved food-safe packaging and durable structural laminates tailored to the individual requirements of international FMCG, chemical, and retail brands.

Enterprise Capabilities

  • Japan Komori Lines: Ultra-fast, highly accurate gravure printing.
  • 240+ Tons Monthly Output: Reliable high-volume supply capability.
  • Export Network: Proudly serving global partners in over 30 countries.
  • Tailored Material Blends: Customized barrier layers (PET, AL, VMPET, PE, CPP).
20+
Years Experience
240T
Monthly Output
30+
Export Countries
100%
Food Grade FDA

OEM Flat Plastic Bag Industry Insights

Analyzing key market shifts, materials engineering, and the technical requirements of global B2B procurement

Mono-Material Recyclability

B2B procurement is transitioning from complex multi-material laminates to high-barrier mono-material PE and PP structures. This shift ensures the packaging remains fully recyclable within current domestic recycling systems while maintaining essential moisture and oxygen barriers.

Advanced High-Barrier Engineering

Integrating EVOH (Ethylene Vinyl Alcohol) and metallized barrier layers protects product freshness and extends shelf-life. This technology prevents oxygen transmission and maintains flavour profiles without relying on thick, non-recyclable aluminum structures.

Supply Chain Efficiency

Enterprise buyers prioritize high-capacity packaging factories that provide short lead times, stable material supply, and automated quality control. Partnering with verified manufacturers reduces supply risks for FMCG and retail brands.

Global Procurement Demands & Material Selection

When sourcing custom flat plastic bags, procurement directors evaluate specific technical parameters to match application demands. Key criteria include tensile strength, seal strength, puncture resistance, and chemical compatibility. Materials such as linear low-density polyethylene (LLDPE), biaxially-oriented polypropylene (BOPP), and polyethylene terephthalate (PET) are custom-laminated to create custom barrier properties. Understanding the interaction between packaging materials and filled products helps prevent seal failure, leakage, and premature product degradation.

Furthermore, international compliance standards govern B2B sourcing decisions. Manufacturers must supply verified material safety sheets showing compliance with FDA, EC 1935/2004, and local waste disposal directives. Choosing a manufacturer with integrated material verification processes guarantees compliance throughout production, reducing import risks and safeguarding brand reputation in target markets.

Our Technical Manufacturing Process

How we achieve consistent, high-durability packaging through advanced machinery and strict quality control

Gravure printing is central to modern flexible packaging manufacturing. It delivers high color saturation, stable print runs, and excellent durability across large volumes. Below is the detailed processing sequence at Yuanzhong:

Printing Process

1. Printing

High-speed gravure machines transfer ink onto substrate film rolls with micron-level precision.

Composite Process

2. Composite

Multi-layer substrate films are laminated using solvent-free adhesives to build the required barrier properties.

Slitting Process

3. Slitting

Laminated rolls are slit into precise widths matching the exact bag specifications.

Bagging Process

4. Bagging

Film webs are folded, heat-sealed, and cut into final flat bags or gusseted shapes.

Packing Process

5. Packing

Finished bags undergo final QA checks and are packed into shipping cartons for transport.

Global Compliance Standards

Localized Support & Regulatory Compliance

Entering international consumer markets requires compliance with food safety and environmental laws. Our manufacturing facility complies with global safety frameworks, including the US Food and Drug Administration (FDA) requirements for direct food contact and EU plastic regulations.

We provide comprehensive traceability documentation, including third-party testing reports for heavy metal migration and Bisphenol-A (BPA) presence. This high level of compliance helps prevent shipping delays and customs issues, ensuring your shipments arrive smoothly at their destination ports.

For brands targeting carbon footprint reduction, we offer life cycle assessment (LCA) data for our bio-based and PCR-containing films. This transparency helps procurement teams verify environmental claims and align with regional packaging waste regulations.

Our Environmental & Quality Compliance Matrix

FDA 21 CFR Compliant Materials (Food Grade Safety)
Directive 94/62/EC Compliant Heavy Metal Concentration Levels
ISO 9001:2015 Certified Production Facility
Solvent-Free Adhesive Lamination for Low VOCs
Innovation & Technical Roadmap

Future Roadmap: Next-Gen Packaging Technologies

The flexible packaging sector is changing rapidly due to regulatory updates and shifts in consumer behavior. Our development team focuses on high-barrier, sustainable, and thin-gauge materials. By reducing film thickness while maintaining tear and puncture resistance, we help brands reduce material use and lower shipping costs.

We are also investing in home-compostable barrier bags using PLA (Polylactic Acid) and PBS (Polybutylene Succinate) resin blends. These materials decompose in natural environments without leaving microplastic residues, addressing the growing demand for plastic-free alternatives.

Additionally, we are testing intelligent packaging integrations, such as embedded RFID tags and temperature-sensitive indicator inks. These features help brands improve supply chain tracking and give consumers verification of product quality and authenticity.

Technological Milestones

  • 2026: Scaling up production of recyclable mono-material barrier structures.
  • 2027: Introducing high-barrier PLA compostable structures.
  • 2028: Incorporating AI-driven visual inspection systems across all slitting and bagging lines.

Cooperative Brand Partnerships

Collaborating with more than 20 global brands to deliver high-quality flexible packaging

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Global Exhibitions & Brand Presence

Connecting with clients and sharing packaging innovations across more than 10 countries

Trade Exhibition Presence

International Packaging Fair

Packaging Innovation Trade Show

Global Sourcing Showcase

Eco-Friendly Packaging Exhibition

FMCG Supplier Exhibition

Packaging Engineering Event

Flexible Barrier Packaging Expo

Global Trade Exhibition

Food Packaging Technologies Showcase

Sustainable Packaging Expo

Packaging & Printing Exhibition

Frequently Asked Questions

Technical answers to support your packaging procurement decisions

What is the minimum order quantity (MOQ) for custom-printed flat plastic bags?
Our standard MOQ depends on the bag dimensions, material structure, and printing design. Generally, for custom-printed roll film and flat packaging bags, the MOQ starts at 10,000 to 20,000 units per design. This setup ensures optimal print quality and production efficiency using our high-speed gravure machinery. Contact our sales team with your exact specifications to receive a detailed quote.
Which printing technologies does Yuanzhong use for custom orders?
We utilize gravure printing, which is suitable for high-speed, long-run production. Our lines include Japanese Komori fully automatic printing systems, which deliver sharp detail, rich color density, and precise registration across complex multi-layer designs.
Can you supply compostable or highly recyclable flat bags?
Yes, we offer recycle-ready mono-material PE and PP laminates that match the barrier performance of traditional multi-material films. We also offer compostable materials derived from PLA and PBS blends for brands looking to minimize their environmental footprint.
Are your packaging materials FDA-approved for direct food contact?
Yes, all our food-grade packaging materials are manufactured under strict sanitary conditions. We source raw polymer resins and solvent-free lamination adhesives that comply with US FDA 21 CFR standards and European Union food contact directives, ensuring safety and compliance.
How long does production and shipping take?
Once the artwork is finalized and approved, our typical production lead time is 15 to 21 days for manufacturing and packaging. Shipping times vary by destination port, and our export department handles all customs documentation to ensure reliable delivery.

Ready to Optimize Your Packaging Supply Chain?

Partner with a direct-factory manufacturer. Discuss custom sizing, barrier films, and gravure printing configurations with our technical sales engineers.

Contact Our Technical Sales Team