Introduction
NANJING ONLY EXTRUSION MACHINERY CO., LTD. (南京欧立挤出机械有限公司) is a Chinese manufacturer of plastic extrusion machinery specializing in co-rotating twin-screw extruders, single-screw extruders, and related extrusion systems for polymer processing. The company is based in Jiangning District, Nanjing, Jiangsu Province, and its product portfolio is centered on equipment used in compounding, blending, reactive extrusion, and downstream extrusion lines for the plastics industry.
Industry sources describe the company as a long-established domestic producer in China’s twin-screw extrusion segment, with an emphasis on scaled manufacturing capability and technical development for polymer compounding equipment. Its product range includes the HTE high-torque twin-screw series, TE twin-screw series, TEC two-stage extrusion series, and SE single-screw series, indicating a focus on process flexibility across resin preparation, modification, and recycling-related applications.
The company has also been identified in Chinese government and industry listings as a specialized and sophisticated SME and a high-tech enterprise, signaling recognition for technical capacity and industrial specialization within China’s equipment sector.
History and Development
NANJING ONLY EXTRUSION MACHINERY CO., LTD. was established in 2009, according to industry reporting that places the company among China’s domestic co-rotating twin-screw extrusion manufacturers. Other supplier and trade-directory sources indicate the company has since expanded into a broader product range spanning single-screw and twin-screw systems.
A key development milestone has been the company’s move from general extrusion equipment supply toward a more defined specialization in polymer compounding and extrusion machinery, especially co-rotating twin-screw platforms. This specialization aligns with the broader evolution of the Chinese plastics machinery market, where domestic builders have increasingly focused on process-engineered systems rather than only basic machine assembly.
The company has also reported industrial-scale production capability, supported by more than 50 sets of processing equipment in some industry descriptions, which suggests a manufacturing base sufficient for serial production rather than purely custom workshop output. In addition, Chinese official and quasi-official listings show the company continuing to receive recognition in the form of innovation-oriented SME and high-tech enterprise designations in recent years.
Business Operations and Segments
The company’s core business is the design, manufacture, and sale of extrusion machinery for plastics processing. Its operations appear concentrated in several connected product and service areas:
- Twin-screw extrusion equipment for compounding and modification.
- Single-screw extrusion equipment for general extrusion applications.
- Two-stage extrusion systems for process configurations requiring separate plasticizing and devolatilization or finishing stages.
- Auxiliary and supporting systems, as indicated by trade-directory descriptions of the company’s broader extrusion machinery offering.
The company’s official contact information places its operations in Dongshan Industrial Zone, Jiangning District, Nanjing, a location consistent with a manufacturing and industrial supply base serving China’s plastics-processing ecosystem.
Products and Technologies
NANJING ONLY EXTRUSION MACHINERY CO., LTD. offers a focused range of extrusion platforms, including the following series listed on its official product pages:
- HTE series high-torque twin-screw extruder units
- TE series twin-screw extruder units
- TEC series two-stage extrusion units
- SE single-screw series
The company’s technical positioning is most strongly associated with co-rotating twin-screw extrusion, a technology widely used in plastics compounding because it provides intensive mixing, strong distributive and dispersive blending, and adaptability for formulations containing fillers, reinforcements, additives, or recycled feedstocks. The “high-torque” designation in the HTE series suggests an emphasis on enhanced drive capacity for demanding compounds and higher-viscosity formulations.
In practical industry terms, machines of this type are typically used for:
- Polymer blending and alloying
- Masterbatch production
- Fiber-reinforced compounding
- PVC and engineering plastic modification
- Degassing and devolatilization applications
- Recycling-oriented extrusion processes
A patent record linked to the company indicates involvement in extrusion-related technical development, including multi-screw feeding equipment, which is consistent with the broader needs of controlled polymer feeding and metering in compounding lines.
Applications and End Markets
The company’s equipment serves the plastics-processing chain rather than end consumers directly. Its machinery is most relevant to manufacturers in the following sectors:
- Polymer compounding and masterbatch production
- Engineering plastics modification
- Cable and wire materials
- Plastic recycling and reprocessing
- General-purpose extrusion and pelletizing workflows
Because twin-screw extruders are central to formulation-intensive processing, the company’s customer base is likely concentrated among compounders, material modifiers, and industrial processors rather than commodity resin producers.
Global Presence and Market Position
Available public sources indicate that NANJING ONLY EXTRUSION MACHINERY CO., LTD. serves both domestic and export markets. Trade-directory information lists North America, South America, and Eastern Europe among its main markets, suggesting that the company participates in international equipment trade in addition to the Chinese market.
Within China’s plastics machinery sector, the company is described as one of the domestic producers in the co-rotating twin-screw extruder segment and as a manufacturer with scaled production capability. Its recognition in specialist industrial rankings and supplier listings indicates a visible position within the mid-market and specialized equipment category, though no reliable public source provided a verified global market share figure.
Sustainability and Environmental Initiatives
Publicly available material does not provide a detailed sustainability report or quantified emissions disclosure for the company. However, its product range intersects with several industry trends that are increasingly tied to sustainability:
- Recycling-oriented extrusion for post-industrial and post-consumer plastics
- Compounding of recycled and bio-based materials through twin-screw platforms, which is a common industry use case for such equipment
- Process efficiency improvements associated with high-torque extrusion systems, which can support more stable operation in demanding formulations
The available sources do not support stronger claims about formal environmental performance targets, lifecycle metrics, or third-party sustainability certifications.
Financial Performance and Economic Impact
The company is privately held, and no audited public financial statements were identified in the available sources. As a result, revenue, profitability, and export value cannot be stated reliably from the evidence provided.
Its economic impact is best understood through its contribution to China’s industrial machinery base and the plastics-processing supply chain. By producing compounding and extrusion equipment domestically, the company supports:
- Local equipment manufacturing capacity
- Downstream plastics conversion industries
- Import substitution in specialized extrusion machinery
- Equipment supply for domestic and overseas processors
Leadership and Corporate Governance
The available sources do not provide a complete public leadership profile or board structure. What is verifiable is that the company maintains a formal industrial presence in Nanjing and has been recognized in official and quasi-official innovation and high-tech listings.
The company’s repeated appearance in technology-oriented SME and high-tech enterprise records suggests an operating model centered on engineering capability and industrial recognition rather than a large publicly listed corporate structure.
Innovations and Future Outlook
The company’s future prospects appear tied to several technical and market directions in the plastics machinery sector:
- Higher-torque twin-screw platforms for more demanding formulations
- Multi-stage extrusion configurations for process intensification and devolatilization
- Broader use of compounding equipment in recycling and material circularity workflows
- Continued domestic competition in China’s specialized extrusion machinery market, where technical differentiation and reliability matter more than simple equipment supply
Its recognized status as a specialized and high-tech enterprise suggests ongoing emphasis on product development and manufacturing capability. For customers, the company’s relevance will likely depend on its ability to combine competitive pricing with stable screw design, drive performance, feed accuracy, and application support across evolving polymer formulations.
Summary
NANJING ONLY EXTRUSION MACHINERY CO., LTD. is a Nanjing-based plastics machinery manufacturer focused on single-screw and twin-screw extrusion equipment, with particular strength in co-rotating twin-screw compounding systems. Its official product line, industrial recognition, and reported export activity place it within China’s specialized extrusion-equipment sector, where it serves polymer processors in compounding, modification, and recycling-related applications.
References
- •
CPS+ eMarketplace. (n.d.). NANJING ONLY EXTRUSION MACHINERY CO., LTD.NANJING ONLY EXTRUSION MACHINERY CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1005269Link