Introduction
CHANGZHOU DYUN ENVIRONMENTAL TECHNOLOGY CO., LTD. is a Chinese manufacturer of environmental protection and plastics recycling machinery based in Liyang, Changzhou, Jiangsu. The company operates as a subsidiary within the JWELL Machinery group and focuses on the development, design, manufacture, and sale of equipment for plastics recovery, shredding, washing, granulation, and related recycling processes.
Dyun’s product portfolio spans crushers, single-shaft, twin-shaft, and four-shaft shredders, single-screw and twin-screw pelletizing lines, and complete waste plastic washing and recycling lines, placing it within the industrial equipment segment of the plastics circular economy. Public company materials describe Dyun as an established exporter with customers across more than 100 countries and regions, and as a supplier of integrated solutions for recycling applications that range from post-consumer plastics to waste tires, household appliances, and printed circuit boards.
History and Development
Dyun’s company materials indicate that it was established in 2005, while Chinese business registration records for the operating entity list a formal incorporation date of 2017-04-10 for Changzhou Dyun Environmental Technology Co., Ltd. The discrepancy likely reflects the difference between the group’s earlier industrial development and the later establishment of the current legal entity.
Several milestones are visible in the available record:
- Early development and specialization: Company materials state that the business developed from a more limited equipment portfolio into a broader recycling-machinery platform over roughly two decades, with continuous product expansion and process development.
- Technology accumulation: Dyun states that it has developed more than 30 inventions and innovations, reflecting sustained in-house engineering activity in recycling equipment and system integration.
- Market internationalization: The company reports exports to 100+ countries and regions, indicating a significant overseas sales footprint for a Chinese recycling-equipment supplier.
Business Operations and Structure
Dyun is described as a modern enterprise engaged in the full chain of research and development, manufacturing, sales, and technical support for environmental and recycling machinery. Business registration data also place the company in the broader special equipment manufacturing category and show a registered scope that includes environmental equipment, plastics processing equipment, rubber-processing equipment, drying equipment, packaging equipment, textile machinery, molds, and import-export activity.
The company’s operations are centered in Liyang, Changzhou, a manufacturing base in Jiangsu Province that is closely linked to the wider plastics-processing equipment cluster in eastern China. Public listings identify a factory address at No. 118 Shangshang Road, Kunlun Street, Liyang, consistent with a dedicated industrial production site.
Products and Technologies
Dyun’s core equipment and systems are designed for size reduction, sorting, washing, extrusion, and pelletizing in plastics recycling.
Main product lines
- Crushers and granulators for pre-processing recovered materials.
- Single-shaft shredders, double-shaft shredders, and four-shaft shredders for coarse and controlled size reduction of mixed waste streams.
- Single-screw pelletizing lines and twin-screw pelletizing lines for converting cleaned recyclate into reusable pellets.
- Waste plastic recycling washing lines for contaminant removal from post-consumer or post-industrial plastics.
- Specialized systems for waste tires, waste refrigerators and home appliances, and scrap circuit boards.
Technical characteristics
Company and trade-show materials indicate that Dyun emphasizes modular system design, temperature control, and integrated process solutions tailored to different feedstock properties. For some applications, it highlights VOC removal after pelletizing, thermal recovery via heat exchangers, and test-based process design conducted in its own R&D environment to optimize exhaust-treatment time and overall system configuration.
For hard plastics washing, the company has promoted lines with an output range of 500 to 5,000 kg/h, suggesting an emphasis on scalable industrial throughput rather than small-lot processing. Its equipment and lines are presented as suitable for producing high-quality recycled pellets, reducing odor and improving the final quality of recyclate used in downstream industrial and chemical applications.
Applications and End Markets
Dyun’s equipment serves multiple recycling and plastics-processing markets:
- Post-consumer plastics recycling, including cleaning and pelletizing of recovered polymer flakes.
- Rigid and mixed plastics recovery, where shredding and washing systems handle varied input streams.
- Automotive and industrial recycling, through tire-recycling and other heavy-duty waste-processing lines.
- Household appliance recycling, including refrigerator and appliance dismantling and size-reduction systems.
- Electronics and e-waste processing, including equipment for circuit-board recovery.
- Chemical and industrial reuse applications, where VOC removal and thermal management improve pellet quality and reduce odor in recycled materials.
These applications align Dyun with the broader plastics circular-economy trend, in which recycled resin quality, contamination control, and energy efficiency are increasingly important to converters and brand owners.
Global Presence and Market Position
Dyun states that its products are sold in more than 100 countries and regions, which indicates a substantial international presence for a medium-sized Chinese machinery supplier. Third-party exhibitor and supplier listings also place the company in international plastics and recycling machinery marketplaces, including CHINAPLAS-related exhibitor records and other industry directories.
Within the market, Dyun appears positioned as a specialist recycling-systems supplier rather than a broad-spectrum plastics machinery conglomerate. Its differentiation lies in turnkey recycling lines, feedstock-specific process design, and integration of pre-processing, cleaning, pelletizing, and emission-control functions into unified production systems.
Sustainability and Environmental Initiatives
Dyun’s business model is centered on waste reduction, material recovery, and recycling enablement, which places sustainability at the core of its commercial purpose. The company links its activities to broader environmental goals, including climate-related messaging in official materials and the promotion of technologies that support plastics circularity.
Its more specific environmental claims include:
- VOC removal systems to improve recycled pellet quality and reduce odorous emissions from recycled plastics processing.
- Heat-recovery designs that reclaim thermal energy during processing to improve energy efficiency.
- Testing and process optimization in advance of plant design, intended to improve material handling and match system performance to feedstock characteristics.
Financial Performance and Economic Impact
Publicly available material in the provided sources does not include audited financial statements, revenue figures, or profit data for Changzhou Dyun Environmental Technology Co., Ltd. The available record does, however, indicate 68 employees in one business-information source, suggesting a mid-sized industrial operation rather than a large listed manufacturer.
The company’s economic impact is primarily industrial and supply-chain based: it contributes equipment to the plastics recycling value chain, supports downstream reuse of recovered polymers, and participates in the export of Chinese recycling machinery to global markets.
Leadership and Corporate Governance
Company materials identify He Haichao as chairman or president in English-language corporate literature, while third-party professional profiles indicate Cai Chun as general manager. Available business-registration data list Chi Chen as the legal representative of the registered entity.
As with many privately held industrial firms in China, governance appears to be centered on ownership-linked management and operational leadership rather than a publicly disclosed board structure.
Innovations and Future Outlook
Dyun’s innovation profile is anchored in recycling process integration and equipment specialization. Its reported portfolio of more than 30 inventions and innovations suggests continued investment in machinery refinement, particularly in areas that influence final recyclate quality, energy use, and process stability.
Likely future priorities for the company include:
- further development of high-throughput washing and pelletizing systems;
- broader adoption of VOC control and energy-recovery features;
- customized lines for harder-to-process mixed waste streams;
- continued expansion in overseas recycling markets, where demand for circularity-capable equipment is rising.
Summary
Changzhou Dyun Environmental Technology Co., Ltd. is a specialized Chinese plastics-recycling machinery company within the JWELL industrial group, producing shredding, washing, and pelletizing systems for recovered polymers and other waste streams. Its business model is closely tied to the growth of plastics circularity, with an emphasis on integrated process design, emission control, and export-oriented equipment supply.
References
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CPS+ eMarketplace. (n.d.). CHANGZHOU DYUN ENVIRONMENTAL TECHNOLOGY CO.,LTDCHANGZHOU DYUN ENVIRONMENTAL TECHNOLOGY CO.,LTD. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1020359Link