Introduction
DONGGUAN SHENG AN PLASTICS MACHINERY CO., LTD. (东莞市圣安塑料机械有限公司), also known as Sheng-An Plastic Machinery, is a Dongguan-based Chinese manufacturer specializing in precision extrusion equipment for plastics processing, with a strong emphasis on medical and other high-tolerance tube and profile applications. The company is headquartered in Fenggang Town, Dongguan, Guangdong, and its public company materials indicate that it was established in 2007 as a developer, manufacturer, and seller of extrusion systems.
In the plastics industry, Sheng-An occupies a niche focused on customized extrusion lines rather than mass-market general machinery. Its published product information highlights capabilities in precision medical catheter extrusion, industrial tube extrusion, profile extrusion, co-extrusion, and specialized lines for materials such as PVC, TPU, TPE, EVA, PA, PP, PE, fluoropolymers, and high-temperature engineering plastics. The company’s positioning is closely tied to the demand for tighter dimensional control, stable continuous production, and lower energy consumption in technically demanding applications.
History and development
Sheng-An was founded in June 2007 in Dongguan, a major manufacturing center in the Pearl River Delta, and built its business around extrusion equipment development, production, and sales. Public company descriptions consistently characterize it as an engineering-oriented manufacturer serving customers that require specialized process support and non-standard equipment customization.
A second development milestone described in company and profile materials is the formation of an internal R&D and technical support team able to guide customers on process design, training, and commissioning. The company states that this capability was strengthened through long-term cooperation with raw-material suppliers and medical-device manufacturers, along with adoption of domestic and international technologies.
A third notable milestone is the company’s reported progress in high-precision medical extrusion, including public claims of a breakthrough in tube tolerance control within ±0.03 mm and the successful development of high-temperature fluoroplastic extruders by 2010 in company-profile material circulated on professional networking and exhibition platforms. Separate Chinese government and industry notices also list the company as a high-tech enterprise in Guangdong in both 2021 and 2024, indicating sustained recognition for technology-oriented manufacturing activity.
Business operations and segments
Sheng-An’s core business is the manufacture and sale of plastics processing machinery, particularly extrusion systems and related components. Its registered business scope includes production and sales of plastic processing machinery and accessories, sales of plastic products, and import-export activity.
The company’s operations can be understood in three overlapping segments:
- Precision medical extrusion equipment
- Industrial tube and profile extrusion equipment
- Customized non-standard extrusion systems and process support
Company and exhibition listings indicate that Sheng-An serves both domestic and export-oriented customers and participates in international trade fairs and industry platforms that connect machinery suppliers with medical, industrial, and plastics-processing buyers.
Products and technologies
Sheng-An’s published materials emphasize precision extrusion lines designed for small-diameter tubing, multilayer structures, and applications with strict dimensional and material-performance requirements.
Main product categories
- Precision medical tube extrusion lines
- High-temperature fluoroplastic tube extrusion lines
- Water-cooled extrusion lines
- Corrugated pipe extrusion lines
- Profile extrusion lines
- Co-extrusion systems
- Special-purpose extrusion lines for products such as transparent shoulder straps, TPR/SBS rubber bands, decorative or functional plastic tubes, and other custom items.
Technical characteristics
Company descriptions and exhibitor material indicate several technical features that are central to its value proposition:
- Dimensional control: The company reports precision capable of controlling tube tolerance to very narrow limits in some applications.
- Material versatility: Public product pages reference processing of PVC, TPU, TPE, EVA, PA, PP, PE, and fluoroplastics such as PTFE, FEP, ETFE, PEEK, and PFA.
- Thermal and corrosion resistance: For fluoroplastic systems, the company states that it uses heat-resistant and corrosion-resistant screws, barrels, and dies, with stainless-steel frames in relevant lines.
- Automation and stability: Multiple materials describe electromechanical control systems intended to improve production continuity and reduce energy consumption.
- Customization: The company repeatedly stresses non-standard customization and application-specific engineering support, suggesting a business model centered on tailored line design rather than catalog-only machinery.
Engineering emphasis
The most technically distinctive part of Sheng-An’s portfolio appears to be its work in medical tubing and high-performance polymer extrusion, where factors such as melt stability, wall-thickness uniformity, surface quality, and thermal control are critical. Its materials specifically mention use in high-transparency and elastomeric blood circuit tubing, central venous catheters, infusion tubing, and similar medical plastic tubes.
Applications and end markets
Sheng-An’s equipment is used in a range of end markets, with the strongest public emphasis on medical applications.
- Medical devices: catheter tubing, infusion tubing, extracorporeal blood circuits, and related medical plastic tubes.
- Industrial tubing: general-purpose and specialty tube extrusion for plastic and fluoropolymer materials.
- Specialty and consumer products: transparent shoulder straps, elastic bands, decorative or functional tubes, and other customized extrusion products.
- Engineering and electronics-related applications: profile and tubing systems for materials requiring heat resistance, chemical resistance, or stable geometry.
The company’s medical orientation aligns it with the broader industry trend toward higher-value, application-specific plastics processing equipment, particularly in sectors where regulatory compliance and process repeatability matter more than output volume alone.
Global presence and market position
Sheng-An is a mid-sized specialized machinery manufacturer rather than a diversified multinational group. Its public company records list a modest registered capital base and a workforce disclosed on commercial directories, while its business model relies on technical specialization and customization rather than scale manufacturing alone.
The company appears to serve both domestic and export markets. Exhibition directories and trade-platform listings place it at international plastics and medical-device industry events, and company materials describe its product positioning in terms intended for overseas buyers as well as Chinese customers.
Within the plastics machinery sector, Sheng-An’s market role is best described as that of a specialty extrusion supplier competing on process know-how, technical support, and application-specific line design. Its public-facing materials frequently compare its value proposition to international peers through statements about “European quality” at China-based cost levels, although such phrasing is promotional rather than independently verified performance data.
Sustainability and environmental initiatives
Publicly available materials suggest that Sheng-An addresses sustainability mainly through equipment efficiency rather than through broader corporate sustainability reporting.
The company states that its equipment can reduce energy consumption by improving process stability and controlling heat input during extrusion. In technical terms, this is relevant because extrusion lines for tubing and profiles can consume substantial energy through screw shear, heating, cooling, and downstream handling; water-cooled and optimized-control configurations are presented by Sheng-An as ways to reduce thermal load and improve throughput.
No detailed public sustainability report was identified in the available materials. As a result, environmental claims should be read as product-level efficiency statements rather than as evidence of comprehensive corporate ESG disclosure.
Financial performance and economic impact
No audited financial statements or detailed revenue disclosures were identified in the available public sources. The company is privately held, and the accessible materials focus on product lines, technical capabilities, and trade-exhibition activity rather than on full financial reporting.
Its economic impact is nevertheless visible in several ways:
- It contributes to local manufacturing employment and industrial capacity in Dongguan, a major machinery and electronics manufacturing hub.
- It supports downstream industries that depend on precision extrusion, especially medical consumables and specialty tubing.
- It participates in export-oriented machinery trade, which links China’s plastics-equipment sector to global buyers seeking customized mid-range and specialty equipment.
Leadership and corporate governance
Public registry-style sources identify Li Siqing as the legal representative and executive director in company-profile data, though comprehensive governance documentation is not publicly available in the sources reviewed.
Available records also show that the company has been included in local and provincial lists such as high-tech enterprise recognition and government-supported enterprise rosters, which may be relevant to financing access, talent programs, and local industrial policy support.
Innovations and future outlook
Sheng-An’s future prospects are likely to depend on continued demand for high-precision extrusion systems in medical, industrial, and specialty-material markets. These segments generally reward suppliers that can combine process engineering, material expertise, and after-sales support.
Likely areas of ongoing relevance include:
- Medical tubing automation, especially for tight-tolerance and multi-material catheter or infusion applications.
- High-temperature and fluoropolymer processing, where durability and corrosion resistance are essential.
- Custom line engineering, including non-standard extrusion systems for niche product geometries.
- Energy-efficient control systems, reflecting broader industry pressure to lower process energy intensity and improve consistency.
At the same time, the company operates in a competitive machinery environment where customers increasingly compare not only machine price, but also precision, reliability, serviceability, spare-parts availability, and validation support for regulated applications. That dynamic is especially important in medical extrusion, where process repeatability and documentation can matter as much as the machine hardware itself.
Summary
DONGGUAN SHENG AN PLASTICS MACHINERY CO., LTD. is a Dongguan-based extrusion machinery manufacturer best known for precision medical and specialty tube extrusion equipment. Its public profile shows a company built around customized engineering, material-specific process know-how, and steady participation in China’s specialty plastics machinery ecosystem, with particular strength in tubing, fluoroplastic processing, and application-driven extrusion lines.
References
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CPS+ eMarketplace. (n.d.). DONGGUAN SHENG AN PLASTICS MACHINERY CO., LTD.DONGGUAN SHENG AN PLASTICS MACHINERY CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1003090Link