Introduction
ZHOUSHAN OUSHENGDA PLASTIC MACHINERY CO., LTD. (舟山市欧胜达塑料机械有限公司), also known in English as Zhoushan OSD Machinery Co., Ltd., is a Chinese manufacturer and exporter specializing in screws, barrels (cylinders), and related components for plastic extrusion and injection molding machinery. The company is headquartered in Jintang Town, Zhoushan City, Zhejiang Province, an industrial cluster widely associated with China’s screw-and-barrel manufacturing base, and it positions itself as a supplier to both machinery makers and end users in plastics processing.
The company’s publicly available materials describe a business that originated from an earlier enterprise name, Zhoushan Huayuan Plastic Machinery Manufactory, and that has developed over several decades into a producer with CNC machining capability, heat-treatment and surface-processing equipment, and in-house quality inspection procedures. Its product scope covers single-screw and twin-screw assemblies, bimetallic screw and barrel systems, and application-specific configurations for extrusion, injection molding, recycling, pipe, profile, sheet, film, and rubber-processing lines.
Oushengda’s role in the plastics industry is primarily that of a specialized downstream equipment component supplier rather than a full machinery OEM. In that position, its products are part of the wear-intensive core of plastics processing equipment, where screw design, metallurgy, surface treatment, and dimensional precision strongly affect output stability, mixing performance, wear resistance, and service life. Company and exhibitor listings indicate that it serves export markets across Europe, Asia, the Middle East, Africa, South America, and Oceania, reflecting the international reach of China’s plastics machinery supply chain.
History and Development
The company states that it traces its origins to Zhoushan Huayuan Plastic Machinery Manufactory and that it has been active since the late 1980s or early 1990s, depending on the source consulted. Across company materials, the common thread is a long-term focus on the design and manufacture of plastic machinery screws and barrels.
Key development milestones visible in the available sources include:
- Establishment and specialization: The company evolved from an earlier manufacturing entity into a dedicated producer of screws, barrels, and assembly parts for extrusion and injection systems.
- Manufacturing modernization: Company materials emphasize the adoption of CNC threading, turning, milling, grinding, polishing, nitriding, quenching, and bimetallic processing equipment to improve precision and durability.
- Quality management and export expansion: The company reports ISO 9001 certification and exports to more than 40 countries, indicating a transition from a domestic manufacturer to an export-oriented supplier.
Business Operations and Segments
Oushengda’s business is centered on the manufacture and export of plastic machinery components, especially screw and barrel assemblies for processing equipment. Its stated specialties also include support for plastic extrusion machines, plastic injection machines, blow molding machines, and recycling lines.
The company’s operating profile, as described in commercial listings and corporate pages, includes:
- Manufacturing and export: It is described as both a manufacturer and exporter, with a substantial share of output sold abroad.
- Component-focused production: The company concentrates on wear parts and precision assemblies rather than complete turnkey plants.
- Application-specific engineering: Public marketing materials suggest capability to tailor screw and barrel designs for specific process requirements such as PE blown film, PVC pipe, WPC sheet, PET recycling pelletizing, rubber goods, and injection parts.
Products and Technologies
The company’s principal products are single-screw and twin-screw systems, screw barrels, and associated accessories for plastic processing machinery. Public listings also mention related items such as heaters, gearboxes, and screw accessories, although the core identity of the business remains focused on screw-and-barrel manufacturing.
Main product categories
| Product category | Typical use |
|---|---|
| Single-screw extruder screws and barrels | General-purpose extrusion, pipe, film, and profile processing |
| Twin-screw systems | Compounding, mixing, modified polymers, and specialty extrusion |
| Injection molding screws and barrels | Plastic injection machinery for molded parts |
| Bimetallic wear-resistant barrels | Higher-wear or abrasive applications, including recycled materials and filled compounds |
| Customized screw elements and accessories | Process tuning, replacement parts, and machine retrofits |
Technical capabilities
The company states that it uses advanced CNC processing machines and a range of finishing and metallurgical processes, including threading, turning, milling, grinding, polishing, nitriding, quenching, and bimetallic treatment. These processes are important in screw-and-barrel manufacture because they influence:
- Dimensional accuracy
- Surface hardness
- Wear resistance
- Corrosion resistance
- Melt conveying and mixing performance
Company descriptions also emphasize strict inspection and monitoring equipment, suggesting in-process and final quality control measures for component consistency.
Applications and End Markets
Oushengda’s products are used in equipment serving a wide range of plastics and rubber processing markets. The company’s publicly stated application focus includes:
- PVC, PP, and PE pipe production
- PVC/WPC profile extrusion
- Blown film extrusion
- Plastic sheet extrusion
- Plastic recycling lines
- Rubber extrusion
- Injection molding for industrial and consumer parts
The LinkedIn and company materials also reference downstream sectors such as automotive, medicine, computers, and LED-related applications, which likely reflect end-use areas served by the molded or extruded parts produced with its components. Because screws and barrels are core wear parts, the company’s customer base is likely split between machinery manufacturers and processors seeking replacement or upgraded assemblies.
Global Presence and Market Position
Available listings indicate that Oushengda has built an export footprint across more than 40 countries. Company materials specifically mention sales in Germany, Poland, Turkey, Russia, the United States, Brazil, Egypt, Japan, Korea, and Thailand, along with broader coverage in South America, Eastern Europe, Southeast Asia, Africa, Oceania, and the Middle East.
Public shipping and trade data also suggest international activity, including exports to Russia, India, and Colombia in available shipment records. While these records do not establish market share, they do support the company’s position as an active participant in the export market for plastics machinery components.
The company is associated with Zhoushan’s “screw town” industrial ecosystem, which is known for clusters of component suppliers supporting China’s plastics machinery sector. That location gives it logistical proximity to ports and to a dense manufacturing base, which is strategically relevant for export-oriented precision component producers.
Sustainability and Environmental Initiatives
The available sources do not describe a formal, publicly detailed sustainability program, emissions target, or circular-economy reporting framework. However, the company’s product orientation is relevant to industry-wide sustainability trends because replacement screws, improved barrel metallurgy, and recycling-line applications can extend machine life and support the processing of recycled plastics.
From an industry perspective, screw-and-barrel suppliers increasingly compete on the ability to support:
- Energy-efficient processing
- Stable compounding of recycled polymers
- Wear-resistant systems for abrasive recyclates and fillers
- Longer equipment service intervals
Oushengda’s public materials indicate technical capability in bimetallic and wear-resistant designs, which are commonly associated with longer service life in demanding processing conditions.
Financial Performance and Economic Impact
Publicly available third-party listings attribute to the company an annual sales figure exceeding USD 50 million and a workforce of more than 80 employees, though these figures are not independently audited in the sources provided. Other listings indicate a smaller employee count in some registration-related databases, which suggests that staffing data may vary by reporting source and should be treated cautiously.
The company’s economic role lies in supplying high-value, precision wear parts to the plastics industry, where replacement cycles, machine uptime, and process efficiency create ongoing demand. Its export activity also contributes to the broader industrial output of Zhoushan’s plastics machinery cluster.
Leadership and Corporate Governance
Public sources identify Wang Lingjie as a legal representative or contact figure in some Chinese business-directory records, but the company does not publish a detailed governance profile in the materials reviewed. The company’s publicly stated management emphasis appears to center on quality control, process consistency, and customer service rather than on a formal corporate governance narrative.
The company also reports ISO 9001 certification, indicating the presence of a structured quality management system. Beyond that, no reliable public information in the provided sources details board structure, ownership composition, or group-level governance arrangements.
Innovations and Future Outlook
Oushengda’s innovation profile is grounded in process engineering for wear parts rather than in large-scale machinery design. The most relevant technical direction for a company of this type is continued refinement of:
- Bimetallic barrel structures
- Surface treatment and heat treatment
- Custom screw geometry
- Wear-resistant solutions for recycled and filled polymers
- Compatibility with extrusion and injection platforms across multiple polymer types
Its future prospects are likely tied to several industry trends:
- Growth in plastics recycling and reprocessing
- Demand for longer-lasting components in abrasive formulations
- Continued export demand for cost-competitive Chinese machinery parts
- Customization needs from OEMs and processors operating diverse product lines
Its participation in trade listings and exhibition-related platforms indicates an ongoing effort to maintain visibility in international plastics machinery markets.
Summary
ZHOUSHAN OUSHENGDA PLASTIC MACHINERY CO., LTD. is a Zhoushan-based specialist in plastic machinery screws, barrels, and related wear components, with a business model built around precision manufacturing, export sales, and application-specific engineering. Its public profile places it squarely within the global plastics machinery supply chain as a component manufacturer serving extrusion, injection molding, recycling, and related processing segments.
References
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CPS+ eMarketplace. (n.d.). ZHOUSHAN OUSHENGDA PLASTIC MACHINERY CO., LTD.ZHOUSHAN OUSHENGDA PLASTIC MACHINERY CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1010504Link