Custom Bag Package Manufacturers & Supplier

Precision Engineering, Flexible Packaging Innovation & Sustainable Supply Chain Solutions

ESTABLISHED 2001 | OVER 20 YEARS OF MANUFACTURING EXCELLENCE

Jieyang Yuanzhong Printing Co., Ltd.

In the rapidly evolving landscape of global product logistics and food preservation, the integrity of a product's package determines its shelf viability, regulatory compliance, and brand authority. Jieyang Yuanzhong Printing Co., Ltd. stands as a premier manufacturer specializing in complex flexible laminates and high-performance custom bag packaging solutions.

Located in the industrial cluster of Jiedong District, Jieyang City, Guangdong Province, our modern facility serves as a benchmark for precision chemical printing and composite film processing. By utilizing advanced raw materials and multi-tier structural design, we construct flexible food-grade packaging barriers that prevent permeation, block oxygen and moisture ingress, and sustain design colors through high-speed mechanical operations.

20+
Years Experience
240T+
Monthly Output
30+
Export Countries
100%
Food Grade Raw

Technical Capabilities

  • Japan Komori Lines: Fully automatic high-precision offset & rotogravure systems for micro-tonal accuracy.
  • Advanced Lamination: Dry composite and solvent-free lamination preventing migration of chemical components.
  • Tailored Formulations: Customized polymers (PET, BOPP, VMPET, AL, PE, CPP) designed for target WVTR and OTR barriers.
  • High-speed Slitting & Bagging: Configured for vertical form-fill-seal (VFFS) systems and high-throughput production lines.

High-Performance Manufacturing Process

Underpinned by high durability cylinders and automated tension-controlled lines, our production lifecycle yields optimal physical properties and thermal seal profiles.

01 / PRINTING
High speed printing step

Rotogravure Printing

Thick ink layers, high plate durability, and stable registration for premium visual quality.

02 / COMPOSITE
Composite lamination step

Lamination

Laminating barrier films with premium solvent-free curing for maximum structural bonding.

03 / SLITTING
Slitting process step

Slitting

Ultra-precise longitudinal slitting to yield uniform rolls ready for auto-filling machinery.

04 / BAGGING
Bag making step

Bagging & Shaping

Folding, thermal-sealing, zipper-integration, and shaping for specific bag structures.

05 / PACKING
Heavy duty packing step

Quality & Packing

Strict inspection, containment assurance, and robust packaging to protect cargo in transit.

China Factory 4.0 Advantages

By implementing intelligent manufacturing paradigms in South China's packaging hub, Jieyang Yuanzhong provides significant benefits in quality, price-stability, and supply continuity:

1. Continuous Raw Material Access

Our close location to major chemical zones ensures uninterrupted access to food-grade resins and functional additives, shielding clients from sudden supply disruptions.

2. Automated Roll Tracking

Using barcode identification from raw film entry to final delivery ensures trace-back capability, satisfying international safety requirements.

3. Optimized Resource Management

Closed-loop solvent recovery and highly efficient thermal units minimize waste, aligning our processes with modern carbon footprint standards.

Guangdong-Based Supply Chain Resilience & Efficiency

The performance of custom packaging production relies heavily on the reliability of the supply chain. At Jieyang Yuanzhong, our logistics and production workflows are built for high resilience. We mitigate common supply chain risks like resource volatility, logistics bottlenecks, and variable thickness controls through integrated smart systems.

Our Jiedong District facility integrates advanced computerized register controllers and real-time tension sensors. During composite lamination, these systems adjust tension dynamically, preventing inner layer delamination or curling. This mechanical precision reduces overall scrap rate below 0.8%, passing the cost savings directly to global procurement managers.

With an average monthly output exceeding 240 metric tons, we maintain buffer capacities for peak-season demands. This ensures that large-scale global FMCG operations receive their barrier pouches and roll stock within scheduled lead times, maintaining supply chain velocity.

Macro-Industry Solutions & Barrier Formulations

Specialized composite layer configurations designed for different application environments, ensuring long-term product protection.

Snacks & Confectionery

Protects fried snacks, chips, and chocolates from oxidation, UV degradation, and rancidity caused by oil exposure.

  • Recommended Film: BOPP // VMCPP or PET // VMPET // PE
  • Oxygen Barrier: Low OTR (< 1.5 cc/m²/24hr)
  • Additions: Nitrogen-flush compatible, matte/gloss finish

Coffee & Dry Ingredients

Preserves aromatics and prevents moisture absorption in ground coffee and cake mix products.

  • Recommended Film: PET // AL // PE or PET // NY // PE
  • Aroma Lock: One-way degassing valves integrated
  • Tensile Strength: High puncture resistance for shipping

Pet Food & Organic Solids

Tough packaging built to withstand grease migration, punctures, and mechanical drops.

  • Recommended Film: PET // NY // R-PE or PET // AL // NY // PE
  • Puncture Force: > 15 N
  • Options: Resealable zippers, slide closures, flat-bottom

Technology Roadmap & Sustainable Evolution

Developing eco-friendly structures and smart barrier technologies that meet strict global environmental regulations.

Phase 1: Recyclable Mono-Material Polyolefin (MDO-PE) Structures
By shifting from mixed laminates (such as PET/PE, which are difficult to recycle) to MDO-PE/PE mono-materials, we provide structures that are recyclable in existing soft plastic streams, while maintaining oxygen and water barrier properties.
Phase 2: Biodegradable and Compostable Plant-Based Liners
We are working with material scientists to integrate PLA (polylactic acid) and paper-based barriers. These structures biodegrade in commercial composting facilities, offering an alternative to fossil-fuel based polymers for dry food packaging.
Phase 3: Smart Packaging Solutions
Adding embedded temperature-sensing inks and secure QR verification links. This allows brands to offer supply chain transparency and gives end consumers real-time data on freshness and origin.

Localization Support & Regulatory Compliance

Exporting to more than 30 countries requires deep compliance knowledge. Jieyang Yuanzhong ensures that all raw materials, solvent residues, and physical properties conform strictly to destination market protocols:

Food Contact Safety (FDA & EU Standards) We verify that the resins and adhesives used in our dry and wet composite systems meet EU Regulation No. 10/2011 and FDA Title 21 CFR standards. Heavy metal and phthalate analysis report copies are available upon request.
BRCGS & ISO Quality Systems Our facilities run under ISO 9001:2015 and comply with BRC Global Standards for packaging materials, which is crucial for European supermarkets.
Customs Clearance Documentation We provide full export paperwork including Certificates of Analysis (COA), Phytosanitary certificates (for paper products), and Bills of Lading to ensure trouble-free customs entry.

Technical Verification Matrix

Test Metric Standard Method Average Limit
OTR ASTM D3985 < 1.0 cc/m²/day
WVTR ASTM F1249 < 1.0 g/m²/day
Bond Strength ASTM D903 > 2.5 N/15mm
Seal Strength ASTM F88 > 35 N/15mm
Residual Solvent GC Chromatography < 5 mg/m²

Procurement Parameters & Custom Capabilities

A summary of the core metrics and custom selections available to support procurement teams in evaluating their supply strategy.

Product Category Typical Composite Structure Key Features Available Industrial Use Cases
Puffed Snack Film Rolls BOPP // VMCPP, PET // VMCPP, BOPP // PE High expansion sealing, anti-static layer Potato chips, popcorn, cereal bars
Coffee Roll Film & Pouches PET // AL // PE, PET // VMPET // PE, Kraft Paper // PE One-way valve, matte touch, high oxygen block Freshly ground coffee, roasted beans
Retort Food Pouches PET // AL // Nylon // R-PE, PET // Nylon // CPP High temperature sterilization (121°C/135°C) Wet food, ready-to-eat stews, sauces
Liquid Spout Pouches PET // Nylon // PE, PET // AL // Nylon // PE Anti-leak screw cap, drop impact structure Fruit puree, detergents, energy drinks
Dry Powder Packaging PET // PE, BOPP // PE, PET // VMPET // PE Strong hermetic seals, anti-dust coating Cake mix, flour, protein powder blends

Exhibition Footprint

Exploring the World Through Exhibitions: A Journey Across More Than 10 Countries

Global Trade Exhibition

Global Exhibition Presence

Packaging Trade Fair

Packaging Trade Fair

International Industry Show

International Industry Show

B2B Packaging Pavilion

B2B Packaging Pavilion

Product Presentation Arena

Product Presentation Arena

Global Supplier Convention

Global Supplier Convention

Cooperative Brands

Cooperating with More Than 20 Brands: A Testament to Our Commitment to Excellence

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Frequently Asked Questions (FAQ)

Technical insights on flexible packaging lamination, material selections, and our custom manufacturing services.

How does Jieyang Yuanzhong ensure low solvent residue levels in food-grade packaging?
We utilize high-efficiency dry lamination and modern solvent-free lamination systems. By monitoring temperature curves and air circulation speed, we achieve total residual solvents far below standard industry levels (typically under 5 mg/m²), passing gas chromatography testing to ensure food safety.
What is the difference between gravure printing and flexographic printing for custom bags?
Gravure printing uses engraved metal cylinders, which provide thicker ink laydown, sharper fine details, and more stable registration over large production runs. It is suitable for complex artwork and high-volume orders, offering a lower per-unit cost once setup is complete. Flexo printing uses flexible photopolymer plates, which have lower initial tooling costs but less ink thickness compared to gravure.
Can you manufacture 100% recyclable coffee pouches?
Yes. We produce mono-material PE pouches using MDO-PE laminated to regular PE. This structure can be recycled alongside soft plastics, while specialized coatings provide oxygen and moisture protection equivalent to standard foil layers.
What is the standard production lead time for bulk orders?
First-time orders typically take 15 to 21 days, including cylinder engraving and registration approvals. Repeat orders can be manufactured and shipped within 10 to 14 days, supported by our monthly production capacity of over 240 tons.