Introduction
Dongguan Sixing Machinery Manufacturing Co., Ltd. (东莞市思行机械设备制造有限公司) is a Chinese manufacturer of plastic auxiliary equipment serving extrusion granulation, injection molding, and related plastics-processing lines. Based in Dongguan, Guangdong, the company is described in industry listings as a research, design, production, sales, and service enterprise focused on machinery such as mixing, drying, conveying, crushing, screening, and temperature-control equipment for plastics and rubber processing.
In the plastics industry ecosystem, Sixing occupies the segment of downstream processing machinery rather than polymer production, supplying equipment that supports material preparation, throughput stability, and process automation in plastics plants. Its product positioning and exhibition listing indicate a focus on practical line-side equipment used by processors handling recycled materials, color masterbatch, compounding, granulation, pipes, profiles, and injection molding applications.
History and Development
The company is reported in business-directory sources as having been established in 2015, though some listings and web profiles present earlier or differently worded company-origin narratives. The most consistent facts across sources are that it is a Dongguan-based private manufacturing firm and that it has built its business around plastic auxiliary machinery rather than general-purpose industrial equipment.
Two development patterns are visible in the available sources:
- The company moved from a local manufacturer profile toward a broader export-oriented sales model, with listings naming overseas markets in Southeast Asia and the Middle East.
- Its public product descriptions expanded from individual machines such as mixers and loaders to a more integrated range covering material handling, screening, recycling, drying, and temperature control for plastics processing lines.
A further indication of development is the company’s presence on CHINAPLAS online exhibitor pages, which places it within a trade-exhibition ecosystem used by plastics machinery suppliers to reach domestic and international buyers.
Business Operations and Segments
Available listings describe Sixing as a production-oriented private company employing roughly 31–40 people in one source, with operations centered in Dongguan. Its business model is typical of small and medium-sized machinery manufacturers in the Pearl River Delta: in-house design and fabrication, direct sales, and service support for plastics processors.
Its operations appear to be organized around several functional equipment categories:
- Mixing and homogenization
- Dehumidification and drying
- Crushing and recycling
- Screening and storage
- Material transport and feeding
- Temperature control through chillers and mold-temperature machines
Products and Technologies
Sixing’s product line is centered on plastic auxiliary machinery for the upstream and midstream stages of plastics processing. The company’s commonly listed equipment includes vertical mixers, horizontal mixers, vibrating screening machines, storage bins, dewatering machines, screw loaders, crushers, mold temperature controllers, chillers, and suction loaders.
Main product families
| Product family | Typical role in plastics processing |
|---|---|
| Mixing equipment | Blends virgin resin, regrind, additives, colorants, or masterbatch before extrusion or molding |
| Drying and dewatering equipment | Removes surface or process moisture from plastics or recycled material streams |
| Feeding and conveying equipment | Transfers pellets, powder, or regrind into hoppers, mixers, or processing machines |
| Crushing and recycling equipment | Reduces scrap, runners, or rejected parts for reuse in recycling or compounding workflows |
| Screening and storage equipment | Sorts material and buffers supply in processing lines |
| Thermal-control equipment | Supports stable processing temperatures through chillers and mold temperature machines |
Technical product descriptions in third-party listings suggest that the company’s mixers include vertical and horizontal configurations with features such as automatic timing, overload protection, and optional heating/drying functions. One vertical mixer listing describes capacities ranging from 0.5 to 15 tonnes, with stainless-steel or iron-plate barrel variants and heated or non-heated options. A horizontal mixer listing notes suitability for PVC, TPR, TPE, PP, and PE materials and mentions double-layer oil heating with temperatures cited up to 80–300°C in the product description.
The company’s screw loader product is described as a stainless-steel feeding machine with power options of 1.5 kW, 2.2 kW, or 5.5 kW, and a working capacity of 200–1500 kg per hour depending on configuration. These specifications indicate that Sixing’s machinery is aimed at routine plant-floor handling tasks where reliability, cleanliness, and steady throughput are more important than highly specialized automation.
Applications and End Markets
The company’s products are used in several plastics-processing segments, including:
- Plastic granulation and pelletizing
- Injection molding
- Extrusion and pipe/profile production
- Color masterbatch manufacturing
- Modified plastics and compounding
- Recycled material processing
- Plastic building materials
These end markets reflect a broader industry need for consistent feed preparation, moisture management, and material recovery, especially in production environments that use regrind, fillers, colorants, or recycled feedstock. The company’s published application examples also suggest overlap with adjacent sectors such as chemical powder blending and other bulk-material handling operations.
Global Presence and Market Position
Sixing appears to be a regional manufacturer with export activity, rather than a large multinational enterprise. Its listings reference sales within multiple Chinese provinces, including Guangdong, Zhejiang, Jiangsu, Fujian, Hunan, Tianjin, Shanghai, and Jilin, as well as exports to countries such as the Philippines, Thailand, Vietnam, Saudi Arabia, Nepal, and the United Arab Emirates.
The company’s presence on CHINAPLAS exhibitor platforms indicates participation in the plastics machinery trade show network that connects Chinese suppliers with domestic and international buyers. Within the market, Sixing competes in the crowded segment of auxiliary plastics machinery, where purchasing decisions often depend on price, service responsiveness, customization, and fit with local processing requirements.
Sustainability and Environmental Initiatives
The available sources do not provide a formal sustainability report or quantified environmental targets. However, the company’s emphasis on recycling-related equipment, including crushers and material-handling systems for reclaimed plastics, aligns with wider industry trends toward circularity and the reuse of production scrap and post-industrial waste.
At the product level, equipment such as mixers, dryers, and feeding systems can support lower waste and more stable processing by improving material consistency and reducing reprocessing losses. This is an operational contribution rather than a documented corporate sustainability program, and the public record available here does not substantiate broader emissions, energy, or lifecycle claims.
Financial Performance and Economic Impact
No audited financial statements, revenue figures, or stock-market disclosures were identified in the provided sources. As a privately held manufacturing company, Sixing’s economic footprint is best understood through its role as a local equipment supplier supporting plastics processors in South China and export markets.
Its broader economic contribution lies in supplying machinery that helps downstream plastics plants manage material handling, process stability, and throughput, which are core determinants of manufacturing efficiency in extrusion and injection-molding operations.
Leadership and Corporate Governance
Publicly available listings identify a general manager/sales head named Peng Jian in some directory sources, though detailed governance information is limited. Other web profiles indicate a small-company operating structure with direct owner-managed characteristics common among private machinery manufacturers in Dongguan.
Because formal corporate filings, board details, and ownership structure were not included in the search results, governance should be characterized cautiously as private and limited-transparency in the public record.
Innovations and Future Outlook
Sixing’s product mix suggests a strategy centered on incremental engineering refinement rather than large-scale proprietary platform development. The company’s reported focus on integrated auxiliary systems is consistent with industry demand for equipment that can be tailored to specific materials, capacities, and plant layouts.
Likely areas of future relevance include:
- Recycling and reprocessing systems for reclaimed plastics
- Energy-efficient drying and heating
- Integrated line automation for feeding, mixing, and conveying
- Customization for extrusion and injection customers
- Export growth in Southeast Asia and the Middle East
Its long-term competitiveness will depend on service capability, product reliability, and adaptation to the shifting needs of plastics processors operating under tighter efficiency and sustainability pressures.
Summary
Dongguan Sixing Machinery Manufacturing Co., Ltd. is a Dongguan-based plastics auxiliary machinery supplier focused on mixers, feeders, crushers, dryers, screening systems, and temperature-control equipment for extrusion, injection molding, granulation, and recycling applications. Its business profile is typical of a specialized Chinese processing-equipment maker: locally rooted manufacturing, export-oriented sales, and a product range aimed at the practical requirements of plastics plants.
References
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CPS+ eMarketplace. (n.d.). DONGGUAN SIXING MACHINERY MANUFACTURING CO., LTD.DONGGUAN SIXING MACHINERY MANUFACTURING CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1030477Link