Introduction
Shenyang Donghai Packaging Material Co., Ltd. (also listed as Shenyang Donghai Packaging Materials Co., Ltd.; Chinese: 沈阳市东海包装材料有限公司) is a Chinese manufacturer of functional packaging films based in Shenbei New District, Shenyang, Liaoning Province. The company focuses on the research, development, and production of cast polypropylene (CPP) films, retort CPP (RCPP) films, and vacuum metallized films for packaging applications, and it also presents itself as a participant in industry-standard setting for cast film and vacuum aluminized film in China.
Its product portfolio and trade-fair presence place it within the specialized segment of the plastics industry that supplies high-performance flexible packaging materials for food, pharmaceuticals, personal care products, and selected industrial uses. The company reports annual capacity of about 50,000 tons for CPP and RCPP cast film and 25,000 tons for vacuum aluminized film products, indicating a sizable industrial operation focused on film extrusion, metallization, and downstream slitting and converting.
History and Development
The company is described in industry listings as an enterprise dedicated to functional film production, with operations centered in Shenyang’s Shenbei New District. It has been identified as a national high-tech enterprise in China, reflecting recognition for technology-oriented manufacturing and product development.
A notable development milestone is its reported participation in the revision and formulation of national and industry standards for cast film and vacuum aluminized film in China, which indicates involvement beyond manufacturing into technical governance and industry standardization.
Company information also shows sustained institutional engagement with public support programs in Liaoning and Shenyang, including listings connected to technology-related financing support, foreign trade loan interest subsidies, and an MES system project, suggesting continued investment in manufacturing modernization and operational management systems.
Business Operations and Segments
The company’s business is centered on packaging film manufacturing rather than broad-based plastics processing. Its main operational focus includes:
- CPP and RCPP cast films for flexible packaging
- Vacuum aluminized films, including MCPP, MPET, MOPP, and ALOX alumina film variants
- Film products for packaging applications across food, daily necessities, cosmetics, and pharmaceuticals
The company’s product structure suggests an integrated film-processing model that combines cast film production, metallization, and finishing for packaging-grade materials. Chinese business listings also describe internal capabilities that include casting, metallization, and slitting workshops, consistent with a vertically organized film-processing site.
Products and Technologies
Shenyang Donghai’s product range is concentrated in functional barrier and heat-sealable films.
Main product families
| Product family | Typical technical role | Stated or implied uses |
|---|---|---|
| CPP film | Cast polypropylene film used for transparency, sealability, and flexible-packaging structure layers | Food, daily necessities, cosmetics, pharmaceuticals |
| RCPP film | Retort-grade CPP with higher resistance to heat and mechanical stress | Liquid and rigid packaging requiring stronger sealing and durability |
| VMCPP film | Vacuum-metallized CPP for barrier and appearance enhancement | Food, medicine, and daily necessities packaging |
| MPET / MOPP / MCPP | Metallized polyester, oriented polypropylene, and CPP structures for barrier packaging | Dry foods and moisture-sensitive packaging |
| ALOX alumina film | High-barrier oxide-coated film structure | Advanced flexible packaging applications |
The company describes RCPP as offering high impact strength, puncture resistance, and heat-seal strength, characteristics that are important for retort pouches and packaging exposed to sterilization or demanding logistics conditions. It also identifies metallized films such as VMCPP as suitable for packaging dry foods including tea, biscuits, instant noodles, and related products, as well as moist foods such as meat, dairy products, fruits, and vegetables.
A separate company profile lists additional packaging-film products such as PET film and food-grade PE cling film, indicating some breadth in flexible packaging materials beyond CPP-based products. The same profile notes that the company has testing and development equipment and has obtained ISO 9000:2015, ISO 14000:2015, and ISO 22000:2005 certifications, along with QS food production licensing, underscoring the importance of process control in food-contact packaging.
Applications and End Markets
Shenyang Donghai’s materials are aimed primarily at flexible packaging end markets.
- Food packaging is the largest clearly identified application area, including dry snacks, tea, noodles, meat products, dairy products, fruits, vegetables, and juice-related packaging.
- Pharmaceutical packaging is another stated end market for selected film types.
- Daily necessities and cosmetics packaging are also identified in company descriptions.
- The company also states that some film grades can be used in electronic devices, precision instrument parts, and auto parts, suggesting selected technical-film applications beyond consumer packaging.
The company’s emphasis on barrier films and retort-capable structures places it in a segment of the plastics packaging market where performance requirements are shaped by shelf-life extension, moisture protection, heat resistance, and package integrity.
Global Presence and Market Position
The company is publicly associated with CHINAPLAS and PACKINNO exhibition platforms, indicating active participation in trade events serving the plastics and packaging industries. Those listings show continued visibility in industrial sourcing channels and suggest that the company markets its products to domestic and potentially export-oriented packaging buyers.
Within China’s packaging-film sector, Shenyang Donghai’s distinguishing features are its combination of functional-film specialization, industrial-scale capacity, and formal roles in industry committees related to cast film and aluminized film. The company is identified as a member unit of the China Plastics Processing Industry Association and as a deputy director unit in two of its professional committees, indicating a recognized position within the professional network of Chinese plastics processors.
Research and Development
The company states that it is committed to the research and development of functional films. Its participation in the development of national and industry standards suggests that its technical work extends into specification alignment, process consistency, and the shaping of product requirements for the sector.
The public record also associates the company with an MES system project, which is consistent with efforts to improve production visibility, traceability, and factory management in film manufacturing. In addition, the company’s qualification as a high-tech enterprise indicates that R&D and technical capability are part of its formal industrial identity.
Sustainability and Environmental Initiatives
The company’s reported ISO 14000:2015 environmental management system certification indicates that environmental management is incorporated into its business systems. Its product mix also includes ALOX alumina film and other barrier films, which are relevant to packaging design because barrier structures can support lightweight flexible packaging formats relative to some rigid alternatives.
The public materials reviewed also show that the company operates within the regulatory and administrative framework of Chinese industrial policy, including environmental and modernization-related filings tied to new intelligent manufacturing lines and enterprise support programs. Those records indicate active capital and process investment, though they do not by themselves establish quantified environmental performance outcomes.
Quality Management and Certifications
Public company information identifies several quality-related systems and approvals:
- ISO 9000:2015 quality management system certification
- ISO 14000:2015 environmental management system certification
- ISO 22000:2005 food safety management system certification
- QS food production license for food-related output
These certifications are consistent with the requirements of packaging-film production for food and pharmaceutical supply chains, where traceability, hygiene, and process stability are central to buyer qualification.
Financial Performance and Economic Impact
A local corporate profile reports that the company occupies a site of about 20,000 square meters, with 11,000 square meters of building area and fixed assets exceeding 50 million yuan. It also describes the company as maintaining dedicated production departments and a structured management organization, which is consistent with a mid-sized industrial manufacturing operation.
Public government records show that the company has appeared in lists for tax administration, foreign trade support, open-economy funding, and technology-related interest subsidy programs, indicating that it participates in regional industrial development channels in Liaoning and Shenyang. A 2017 provincial quality supervision notice also recorded the company’s food cling film and polyester metallized film as meeting the relevant sampling requirements in that inspection batch.
Innovations and Future Outlook
Shenyang Donghai’s future position is likely to be shaped by demand for higher-barrier flexible packaging, retort packaging, and process-digitized manufacturing in China’s film sector. Its combination of cast-film production, vacuum metallization, and participation in standards work suggests a business model oriented toward technical packaging materials rather than commodity film alone.
The company’s continuing presence in trade exhibitions and its association with manufacturing-system projects point to an operating strategy that links product specialization, quality control, and process upgrading.
References
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CPS+ eMarketplace. (n.d.). SHENYANG DONGHAI PACKAGING MATERIAL CO.,LTDSHENYANG DONGHAI PACKAGING MATERIAL CO.,LTD. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1032038Link