Introduction
Nanjing Sumino Precision Machinery Co., Ltd. is a China-based manufacturer of precision machinery for the plastics and packaging industries, operating from Nanjing, Jiangsu Province. The company focuses on plastic extrusion and film-processing equipment, with a product portfolio that includes cast film lines, stretching machines, laminating machines, coating machines, sheet machines, and granulators, positioning it within the broader ecosystem of polymer converting and film production equipment.
The company is closely associated with Sumino Heavy Industry (Nanjing) Co., Ltd., a joint venture established in August 2022 with Japanese and Chinese capital participation, and it operates from the Nanjing site at No. 116, Suyuan Avenue, Jiangning District. Available company materials describe the business as a high-tech enterprise integrating research, production, and sales, with ISO 9001:2015 certification and a manufacturing footprint oriented toward customized production lines for plastic film and sheet applications.
History and Development
Nanjing Sumino’s public company materials indicate that its Nanjing operations were established as part of a wider Sumino group expansion into China, with the joint venture founded in 2022 and a dedicated manufacturing base in Jiangning District.
Key development milestones include:
- 2022 establishment of Sumino Heavy Industry (Nanjing), which serves as the parent operating entity for the Nanjing manufacturing business.
- Development of multiple dedicated production systems, including separate technical and manufacturing units for sheet and board equipment, cast film, biaxial stretching, laminating, recycling granulation, and coating lines.
- Expansion into export markets, with company materials stating sales across more than 20 Chinese provinces and exports to regions including Europe, the Middle East, Southeast Asia, East Asia, and North America.
Business Operations and Segments
The company’s operations are centered on design, manufacture, and sale of plastic machinery for film and sheet production. Its business model combines engineering, fabrication, assembly, commissioning, and technical support, reflecting the structure of a specialized equipment supplier rather than a commodity machinery assembler.
The stated production series include:
- Cast film equipment
- Stretching machines
- Laminating machines
- Coating machines
- Sheet machines
- Granulators
Company materials also indicate a manufacturing capacity framework of 30 units per year across the six production series, with laminating equipment and cast film systems representing substantial portions of the product mix.
Products and Technologies
Nanjing Sumino’s equipment range serves the conversion of polymers into films, sheets, and related laminated structures. Its product coverage suggests competence across both single-process lines and integrated multi-stage production lines used in packaging, industrial films, and sheet applications.
Representative technical capabilities include:
- Cast film lines for producing polymer films through extrusion and cooling on a casting roll system.
- Biaxial stretching equipment for orienting film in two directions to improve mechanical properties such as strength, dimensional stability, and optical performance.
- Extrusion laminating and coating systems for adding functional or barrier layers to substrates such as paper, film, or composite structures.
- Sheet and board extrusion lines for polymer sheet production used in packaging and forming applications.
- Granulation and recycling-related systems, indicating attention to reprocessing and material recovery within plastics manufacturing workflows.
The company’s materials also mention supporting technical work in film-forming process development and resin process testing, which suggests a role in process engineering in addition to machine fabrication.
Applications and End Markets
The company’s equipment is primarily associated with the following end-use sectors:
- Packaging films and flexible packaging
- Plastic sheet and board production
- Industrial laminates and functional coating substrates
- Nonwoven and related conversion lines, where applicable to downstream film and lamination systems
- Recycling and regranulation workflows
These end markets are consistent with the broader plastics machinery sector, where demand is shaped by packaging performance requirements, barrier properties, process efficiency, and increasing interest in recyclability and material recovery.
Global Presence and Market Position
Public company information indicates that Nanjing Sumino sells across multiple Chinese provinces and exports to a geographically diverse set of markets, including Europe, Iran, Turkey, Vietnam, South Korea, Japan, Malaysia, India, Thailand, Mexico, and Canada.
The company appears to occupy a specialist niche within the plastics equipment industry rather than a mass-market machinery segment. Its market presence is defined by process-specific lines for film, sheet, coating, and laminating applications, supported by a relatively compact workforce and a manufacturing site of more than 8,000 square meters.
Sustainability and Environmental Initiatives
The clearest sustainability-related element in the available materials is the company’s inclusion of recycling granulation and environmental recovery systems among its equipment development areas. This indicates attention to post-industrial plastics reprocessing and the broader industry move toward circular materials management.
The company is also reported to hold ISO 14001 management certification in marketplace materials, which is commonly associated with environmental management systems in industrial manufacturing.
Financial Performance and Economic Impact
No audited public financial statements were available in the provided sources, so the company’s revenue, profitability, and capital intensity cannot be reliably quantified here. The available materials do show a manufacturing operation with a specialized workforce, export activity, and an industrial site in Nanjing, all of which indicate participation in regional advanced manufacturing and equipment supply chains.
Leadership and Corporate Governance
Company information identifies Li Liming as the legal representative and a director in the Nanjing-related corporate structure. Additional named officers and directors appear in the group materials, including Liu Kexiao, Su Qian, and Fan Weinan, indicating a formal governance structure aligned with the joint-venture setup.
The ownership structure described in group materials shows the Nanjing operating entity as a joint venture between Japanese and Chinese investors, with Sumino Precision Co., Ltd. holding 69.88% and Nanjing Yubu Investment Consulting Co., Ltd. holding 30.12%.
Innovations and Future Outlook
The company’s emphasis on separate technical centers for multiple equipment categories suggests a strategy built around process specialization and custom line integration rather than standardized machinery alone.
Likely future directions, based on its published product scope, include:
- Greater emphasis on high-performance film lines for packaging and industrial materials.
- Continued development of coextrusion, laminating, and coating technologies for functionalized polymer films.
- Broader linkage between machinery sales and process engineering services, including resin testing and production-line tuning.
- Expansion of recycling-oriented equipment as plastics manufacturers respond to circularity and regulatory pressures.
Summary
Nanjing Sumino Precision Machinery Co., Ltd. is a specialized plastics machinery manufacturer in Nanjing focused on film, sheet, coating, laminating, stretching, and granulation equipment. Its joint-venture structure, export orientation, and emphasis on process engineering place it within the segment of plastics equipment suppliers serving packaging, industrial film, and related converting markets.
References
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CPS+ eMarketplace. (n.d.). NANJING SUMINO PRECISION MACHINERY CO., LTD.NANJING SUMINO PRECISION MACHINERY CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1002183Link