Explore our custom-manufactured flexible packaging options built on strict compliance metrics and precise material properties.
Established in 2001, Jieyang Yuanzhong Printing Co., Ltd. is an industry-leading manufacturer specializing in high-barrier inside packaging decoration and custom plastic pouch production.
Located in the Jiedong District of Jieyang City, Guangdong Province, Jieyang Yuanzhong Printing Co., Ltd. operates a modern production facility equipped with high-precision manufacturing equipment, including Japan's Komori fully automatic printing lines. Our extensive design expertise combined with top-tier materials allows us to offer optimized, custom-tailored packaging options that balance structural protection, aesthetic brilliance, and environmental targets. By maintaining strict control over the entire supply chain, we deliver inside packaging that conforms to key regulatory frameworks, preventing product degradation and preserving shelf life.
An authoritative analysis of flexible plastic packaging mechanics, materials science, and global procurement paradigms.
Inside packaging acts as the primary barrier safeguarding foods, medical items, and chemical components against moisture ingress, oxygen ingress, and UV radiation. Flexible barrier packaging blends multiple layers (such as Biaxially Oriented Polypropylene - BOPP, Polyethylene Terephthalate - PET, Cast Polypropylene - CPP, and Aluminum Foil) to create customized protection properties. For moisture-sensitive goods like powdered beverages and pet food, maintaining a low Water Vapor Transmission Rate (WVTR) and Oxygen Transmission Rate (OTR) is essential. Our custom aluminum foil laminations optimize this barrier integrity, keeping products fresh and preventing premature spoilage.
Global compliance trends are driving a rapid transition toward recyclable and biodegradable mono-material laminates. Modern supply chains require eco-friendly configurations, including recyclable Polyethylene (PE) stand-up pouches and biodegradable PLA films, without compromising physical protection. Resealable zip-locks and spout configurations extend the packaging's usability, significantly reducing food waste. Yuanzhong Printing supports these global initiatives by manufacturing high-grade, FDA-compliant, eco-friendly resealable packaging that meets strict municipal recyclability criteria across the US and European Union.
Industrial automation in Chinese factories has transformed flexible packaging manufacturing. Integrated ERP systems manage the entire pipeline from high-speed electronic-shaft gravure printing to solventless lamination and automated bag slitting. Utilizing precision equipment like Komori printing presses, Yuanzhong maintains minimal tolerances in ink application and lamination layers. This automation increases throughput to over 240 tons monthly, maintains batch-to-batch consistency, and lowers per-unit manufacturing costs for high-volume corporate procurements.
Primary food-contact packaging must comply with rigorous food safety laws. Materials must undergo exhaustive migration testing under EU Regulation No. 10/2011 and US FDA 21 CFR standards to ensure no chemical transfer occurs. Heavy metal limits and BPA-free compositions are required. Our cleanroom facilities follow GMP standards, guaranteeing that every roll of food-grade film and liquid spout pouch is safe for hot-filling, pasteurization, and long-term ambient storage.
Global FMCG purchasing teams focus on three key variables: cost predictability, structural quality, and lead-time stability. Single-sourcing introduces risks from transport delays and energy cost spikes. By working directly with integrated manufacturers like Yuanzhong in Southern China's manufacturing clusters, businesses secure direct-from-factory pricing, customizable thickness profiles, and reliable logistics connections via major port hubs like Shenzhen and Guangzhou.
In highly saturated retail landscapes, inside packaging is a key point of brand interaction. Gravure printing provides exceptional color depth, crisp fine-line resolution, and perfect registration for complex packaging graphics. Whether you need matte varnishes, metallic finishes, or clear product windows, our processing capabilities help products stand out on retail shelves while retaining their functional barriers.
Our step-by-step production process utilizes advanced Japanese equipment to achieve bright, saturated colors, strong seal integrity, and excellent structural durability.
Step-by-Step Technical Insights:
1. Printing: High-speed gravure printing lines apply layers of food-grade ink to the outer substrate. This process produces high-density print quality, consistent color rendering, and fast processing speeds.
2. Composite Lamination: Multiple film layers are joined using solventless dry-bonding adhesives. This step is closely controlled to prevent delamination and ensure strong seal performance during autoclaving or hot-fill processes.
3. Slitting: Large master rolls are slit into precise widths required for packaging lines, ensuring smooth tracking and high efficiency on automated form-fill-seal (FFS) machines.
4. Bagging: Preformed bags, including stand-up pouches, side-gusseted bags, and custom spouted pouches, are constructed with precise heat sealing, gusset formation, and zipper placement.
5. Quality Inspection & Packing: Finished packaging undergoes strict quality control checks, including seal strength verification and leak testing, before being packed for secure international transit.
We design packaging solutions to meet the specific physical, chemical, and shelf-life requirements of different product sectors.
Freshly roasted coffee releases carbon dioxide while being highly sensitive to oxygen and moisture. Our specialized coffee packaging film rolls feature multi-layer structures (such as PET/AL/PE or PET/VMPET/PE) designed to prevent flavor loss and aroma oxidation. High-quality degassing valves can be integrated to allow CO2 to escape without letting external air in, keeping roasted beans fresh throughout the retail cycle.
Puffed snacks and salty foods require barrier films that block light and prevent oils from going rancid. We offer customized metallized films (VMPET/CPP) that keep products crispy while protecting against light degradation. These laminates are engineered to withstand high-speed horizontal and vertical packaging lines (HFFS/VFFS), reducing manufacturing downtime.
Premium pet foods require thick, puncture-resistant barrier pouches to protect against sharp kibble and prevent oil seepage. Our custom stand-up and flat-bottom pet food bags are made from heavy-duty polymer blends that prevent grease migration, seal out moisture, and feature durable zippers to keep food fresh for multiple servings.
Sterile products, such as alcohol disinfection cotton pads and medical wipes, require packaging with chemical-resistant barrier films. Our sterile-grade laminates prevent active liquids from vaporizing through the film and withstand chemical interactions with alcohols, preserving sterilizing effectiveness over long storage periods.
Beverages, purees, and liquid sauces require packaging with high mechanical strength and reliable seals. Our 5-liter spouted doypack liquid pouches offer a cost-effective, space-saving alternative to rigid plastic bottles, featuring leak-proof spout designs and robust drop resistance.
Fine powder products require films with anti-static properties and strong seals that prevent dust contamination during filling. Our cake mix and flour packaging films are designed to seal cleanly through dust, reducing product waste and maintaining packaging integrity.
Our global footprint spans over 10 countries and more than 20 major brand partnerships, reflecting our commitment to quality and service.






















Get professional technical and business insights on raw materials, manufacturing standards, and custom design processes.
High-performance barrier films are defined by their low Oxygen Transmission Rate (OTR) and Water Vapor Transmission Rate (WVTR). These metrics determine how effectively the packaging stops gases and moisture from entering. Materials like Aluminum Foil, ethylene vinyl alcohol (EVOH), and metallized films (VMPET) are used to achieve these barrier properties, protecting products from oxidation and spoilage.
We manufacture our packaging using food-grade materials that comply with FDA 21 CFR standards for food contact, as well as EU Regulation 10/2011. Our facilities follow Good Manufacturing Practices (GMP) and conduct regular migration testing to ensure no chemical transfer occurs during sterilization or long-term storage.
Minimum Order Quantities (MOQ) depend on the bag's size, style, and structure. Generally, rollstock film orders start at 500 kg per layout, while preformed stand-up pouches and spout doypacks typically have an MOQ between 10,000 and 20,000 units. For exact MOQs based on your custom requirements, please contact our team.
Yes. Our custom roll films are designed to run smoothly on standard horizontal (HFFS) and vertical (VFFS) packing lines. We adjust the film's Coefficient of Friction (COF) and sealing properties to match your specific packing speeds and temperature profiles, minimizing seal failures and downtime.
Gravure printing uses engraved metal cylinders that provide exceptional print durability, color depth, and registry control. It is highly cost-effective for large production runs, offering consistent print quality over millions of impressions, making it the preferred choice for major retail packaging.
We offer eco-friendly mono-material laminates, such as PE/PE and PP/PP structures, which can be recycled in standard plastic collection streams. We also manufacture packaging using biodegradable PLA (polylactic acid) and FSC-certified paper laminates to help brands meet their sustainability targets.
Standard production averages 15 to 25 days from layout approval to completed packaging. Shipping times vary by destination, with sea transit to the US West Coast taking approximately 18-25 days, and to Northern Europe taking 30-35 days.
Every production run undergoes burst pressure tests, drop tests, and seal strength evaluation using specialized testing equipment. We inspect spout seal areas closely to ensure leak-proof performance, even when shipping liquid concentrates and purees over long distances.
Browse our full range of customizable packaging materials, engineered for food, cosmetic, and medical applications.