Introduction
ZHEJIANG PUJI PACKAGING MACHINERY CO., LTD. is a Chinese packaging machinery manufacturer based in Wenzhou, Zhejiang, focused on equipment for flexographic printing, gravure printing, solvent-free laminating, slitting, offset printing, and digital printing applications. The company positions itself as an integrated supplier that combines design, machining, assembly, testing, sales, and after-sales service, with products used in paper, film, woven bag, and composite-material converting lines.
In the plastics and flexible-packaging machinery segment, PuJi is best known for CI flexographic printing presses, stack-type flexo presses, gearless and sleeve-based flexo systems, and related converting equipment such as slitters and laminators. Its machinery is marketed for substrates including PET, BOPP, CPP, PE, PS, PVC, composite films, nonwoven materials, and woven bags, reflecting the company’s focus on multi-substrate flexible packaging production.
History and Development
PuJi describes itself as having more than 20 years of industry experience, while some company materials also present the business as having developed over a much longer period in printing and packaging-related manufacturing. Across these materials, the company’s development is consistently framed around the expansion from general packaging machinery into specialized flexographic and converting systems.
Key development milestones highlighted in company materials include:
- The establishment of a broader product portfolio covering flexographic presses, gravure presses, laminating machines, slitters, and non-standard customized equipment.
- The introduction of servo-driven and gearless CI flexo configurations, including sleeve-based systems designed for higher automation and faster job changeover.
- The addition of product lines such as full rotary offset, flexo and foil-stamping combinations, and integrated printing and coating systems, indicating movement toward multi-process packaging production equipment.
By 2022 and 2023, company materials referred to the launch and production of servo motor gearless CI flexo and full-servo sleeve gearless CI flexo machines, showing continued investment in automation-oriented press platforms.
Business Operations and Segments
PuJi operates as a manufacturer-factory and trading company serving domestic and export customers in the printing and packaging machinery sector. Its business model centers on OEM/ODM-style equipment supply, custom engineering, and after-sales support for flexible-packaging converters and printing plants.
Its main operating segments include:
- Flexographic printing machines, including CI, stack, and inline configurations.
- Rotogravure printing machines for packaging applications.
- Solvent-free laminating machines for flexible packaging structures.
- Slitting machines and other web-processing equipment.
- Non-standard customized machinery tailored to specific customer process requirements.
The company also presents itself as serving a broad international customer base, with export activity described across Asia, Europe, the Middle East, Africa, the Americas, and Oceania.
Products and Technologies
PuJi’s product range is centered on printing and converting systems for flexible packaging. The technical emphasis is on automation, registration accuracy, substrate versatility, and adaptation to eco-friendly inks and packaging structures.
Major product categories
- CI flexographic printing machines: Central-impression presses designed for flexible packaging substrates and multi-color printing.
- Stack-type flexographic printing machines: Presses used for a range of roll materials and packaging formats, including bags and woven materials.
- Gearless and sleeve flexo presses: Systems presented as supporting faster setup and improved changeover efficiency.
- Solvent-free laminating machines: Web-to-web laminators used to produce multi-layer flexible packaging structures.
- Slitting machines: Converting equipment used to prepare printed or laminated rolls for downstream packaging operations.
- Rotary offset and combined-process machines: Equipment integrating offset, flexo, coating, and foil-stamping functions for specialized packaging workflows.
Technical characteristics
Company and exhibition materials describe several technical features across its presses:
- PLC-based control systems and variable-frequency drives for machine control.
- Closed-loop constant-tension control and automatic register correction for stable web handling and print alignment.
- Laser-engraved ceramic anilox rollers and closed ink-path systems to support controlled ink transfer and reduced volatility.
- Compatibility with water-based inks and substrates used in food, hygiene, label, and flexible-packaging applications.
- Machine speeds listed in product materials that vary by model and substrate, with some flexo systems marketed in the range of 50–300 m/min.
Applications and End Markets
PuJi’s equipment is used in the manufacture of a broad range of packaging and web-based products, especially where printing and lamination are combined in roll-to-roll workflows.
Main end-use applications include:
- Flexible packaging
- Food packaging
- Labels and self-adhesive materials
- Paper-based packaging
- Woven bags and FFS heavy-duty bags
- Nonwoven and composite-material products
The company’s published substrate lists include materials such as kraft paper, white card, PET, BOPP, CPP, PE, PS, PVC, aluminized film, pearlized film, nonwoven fabric, and woven bag stock, indicating coverage of both plastic and paper-based packaging formats.
Global Presence and Market Position
PuJi describes its machinery as being exported to more than 50 countries and regions in materials associated with its brand and product pages, with market references that include the Middle East, Africa, Southeast Asia, Europe, the Americas, and other overseas markets. It also states that it works with more than 500 partners domestically and internationally, suggesting a broad customer and distributor network.
Its position in the industry is that of a specialized Chinese supplier focused on the mid-to-high end of the flexible-packaging machinery market, especially CI flexo and related converting systems. Exhibition listings and supplier profiles show the company participating in industry trade platforms and packaging exhibitions, which are important channels for machinery vendors serving export-oriented converters.
Research and Development
PuJi emphasizes in-house R&D and technical reserves as a central part of its business model. Company materials also refer to a sizable patent portfolio, including claims of 50+ technical patents on some brand pages and over 100 national invention patents in product marketplace materials, although these figures are presented differently across company channels.
The company’s development work is focused on:
- Servo-driven press architecture
- Gearless CI flexo technology
- Sleeve-change systems
- Multi-process integrated printing and coating equipment
- Customization for specific substrates and packaging structures
This R&D direction aligns with broader industry demand for shorter setup times, improved print consistency, and reduced material waste in flexible packaging production.
Sustainability and Environmental Initiatives
PuJi links part of its product development to environment-friendly packaging production, especially through its promotion of solvent-free laminating and compatibility with water-based inks on selected flexographic systems. In packaging machinery, these features are relevant because they can reduce solvent emissions, simplify compliance with environmental requirements, and support cleaner production workflows.
The company also positions certain press platforms as suitable for food packaging and other regulated applications, where ink control, material compatibility, and stable tension management are operationally important. Its sustainability messaging is therefore tied primarily to equipment capability rather than to published corporate environmental reporting.
Quality Management and Certifications
PuJi materials state that the company maintains CE, SGS, and ISO 9001 certifications, and some product listings also reference a warranty period and after-sales support. The company further highlights factory-based control over machining, assembly, inspection, and commissioning, which is presented as part of its quality assurance model.
Its quality narrative is built around:
- In-house manufacturing and assembly
- Machine trial runs and commissioning
- After-sales technical support
- Export-oriented certification and compliance claims
Innovations and Future Outlook
PuJi’s recent product emphasis suggests continued investment in automation, servo control, gearless press design, and integrated packaging workflows. These areas are consistent with industry trends toward higher productivity, lower setup waste, and more flexible short-run packaging production.
Future development is likely to remain shaped by:
- Demand for multi-substrate packaging equipment
- Growth in flexible packaging conversion
- Pressure for lower-emission production processes
- Demand from converters seeking faster job changes and tighter registration control
Within the packaging machinery ecosystem, PuJi represents a Chinese equipment supplier whose core strength lies in flexographic printing and web converting technology, supported by custom engineering and export-oriented manufacturing.
References
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CPS+ eMarketplace. (n.d.). ZHEJIANG PUJI PACKAGING MACHINERY CO., LTD.ZHEJIANG PUJI PACKAGING MACHINERY CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1023423Link