Engineered for high barrier properties, high retort temperatures, and optimal shelf stability.
Dongfa Printing Co., Ltd. brings over 35 years of professional experience to the forefront of printing and flexible packaging manufacturing. Our enterprise is focused on the research, custom engineering, and mass production of premium liquid packaging solutions. We specialize in pasteurization-ready and high-temperature retort steam sterilization films and bags, customized spout pouches, bag-in-box linings, and advanced sealing cup films.
Leveraging state-of-the-art rotogravure printing presses integrated with 100% online visual inspection systems and a standardized GMP cleanroom workshop, we maintain total quality control. Every batch of film we supply guarantees robust mechanical properties, pristine shelf presentation, and elite gas and moisture barrier limits.
Years of Legacy
Online Inspection
Retort Sterilization
Global Export Markets
Exploring the market growth of bag-in-box and high-barrier coffee concentrate packaging globally.
The global beverage sector is witnessing a rapid structural transition towards liquid concentrates, cold brews, and ready-to-drink (RTD) coffee systems. The Seahorse Coffee Box—a modern variation of the Bag-in-Box (BiB) packaging configuration—has emerged as a vital asset for commercial coffee distributors and retail brands. Combining a high-strength outer corrugated box with a highly flexible, multi-layer oxygen-barrier pouch inside, it ensures draft-style dispensing convenience alongside extended shelf longevity.
Traditional rigid packaging options, such as HDPE bottles or metal cans, are facing scrutiny due to carbon footprint concerns and transport inefficiency. The Seahorse Coffee Box system addresses these issues by offering a collapsible structure that slashes empty container storage requirements by up to 80% and drastically lowers transport emissions. For coffee roasters scaling their cold brew programs, preserving volatile flavor profiles and preventing oxidation is the absolute priority. This is achieved via advanced flexible laminates with oxygen transfer rates (OTR) approaching zero.
Utilizing high-performance barrier layers like EVOH or metallized PET to lock in volatile coffee aromatics and exclude oxygen entry, maintaining optimal flavor for up to 12 months.
Designed with professional non-drip dispensing taps that prevent air from entering the inner liner during pouring, ensuring freshness from the first cup to the last drop.
Collapsible packaging configurations optimize B2B pallet loads, minimizing transport fuel consumption and warehouse footprint while reducing overall carbon impact.
How Dongfa integrates smart automation to stabilize supply chains and drive production efficiency.
At our advanced manufacturing base, we have successfully combined classic production craftsmanship with modern Factory 4.0 automation systems. Our production floor operates computerized, high-speed rotogravure presses capable of handling multi-layer laminates at web speeds of up to 300 meters per minute. The integration of CCD camera-based online defect detection allows us to isolate and resolve micro-defects (such as pinholes, ink splashes, and lamination voids) in real time before products reach the packing lines.
Furthermore, our dedicated GMP class-100,000 cleanroom houses the pouch-making lines. This setup ensures that food-contact surfaces on liquid spout pouches, coffee boxes, and bag-in-box components remain sterile and comply with international sanitary and health standards (FDA, EU food contact guidelines). By managing extrusion, printing, lamination, and bag fabrication in-house, we protect global partners from supply bottlenecks.
| Performance Metric | Technical Specifications | Industrial Advantage |
|---|---|---|
| Material Composition | PET / VMPET / NY / PE, EVOH Co-extrusions | Maximum structural strength and oxygen barrier properties |
| Thickness Ranges | 72μm to 168μm (Customizable based on volume) | Tailored puncture resistance for heavy liquid distribution |
| Sterilization Support | Pasteurization & Retort Sterilization up to 121°C | Permits shelf-stable liquid packaging without artificial preservatives |
| Oxygen Transmission Rate | < 0.5 cc / m² · 24h · atm | Superior shelf stability for oxygen-sensitive cold brew concentrates |
| Quality Inspections | 100% Online Visual Scanners & Hydrostatic Testing | Near-zero defect escape rate for leak-prone liquid bags |
Deploying Seahorse Coffee Box and spout pouch solutions across different industries.
Enables quick-service restaurants, bars, and hotels to dispense cold brew coffee on-demand. Streamlines workflow, eliminates single-use cups, and maintains consistent taste parameters.
Ideal for commercial cold brew brands launching multi-serve, fridge-ready concentrates. The Seahorse Coffee Box format sits neatly on refrigerator shelves, serving as an eye-catching branding tool.
Replacing high-maintenance bean-to-cup machines with bag-in-box liquid systems. Offices can set up simple, sanitary dispensing taps for employees with minimal cleanup required.
Built on the principles of integrity, professionalism, innovation, and win-win collaboration.
Our core corporate values guide everything we do. We prioritize environmental protection and sustainable development by striving to reduce pollution and waste across our production processes. Dongfa Printing's corporate vision is to remain a leading force in the packaging industry, consistently offering dependable solutions that contribute to the success of our clients and the preservation of our environment.
Key information regarding materials, customizations, and barrier specifications.
The internal liquid pouch is made using co-extruded or laminated barrier films. We typically structure these layers with PET (outer printable layer) / Nylon (for puncture resistance) / EVOH or Metallized PET (high oxygen protection) / PE (inner food-safe sealing layer). This combination prevents oxidation and extends product shelf life.
Yes. Our specialized retort packaging films are engineered to withstand heat sterilization up to 121°C for 30–45 minutes. This process allows brands to distribute shelf-stable low-acid beverages, such as lattes and ready-to-drink milk-based coffees, without refrigeration.
We operate under GMP-standardized cleanroom conditions and utilize inline defect scanners to inspect all printed films. In addition, we run routine laboratory testing for oxygen and water vapor transmission rates, seal strength, burst pressure, and drop impact durability.
Yes, we provide full OEM/ODM services. We can customize bag sizes from 100ml up to 20L, configure various dispensing valves and spouts, and offer rotogravure printing with up to 10 colors for premium branding.
From medical-grade packaging films to large-capacity industrial liquid spout pouches.
DongFa Printing
