Introduction
Kunshan Maijisen Composite Materials Co., Ltd. (昆山市迈吉森复合材料有限公司) is a Chinese plastic processing additives manufacturer based in Kunshan, Jiangsu Province, in the Yangtze River Delta industrial region near Suzhou and Shanghai. Founded in 2009, the company positions itself as a technology-driven supplier of eco-friendly chemical materials for PVC, WPC (wood-plastic composites), and related plastic-processing applications, with an operating model that integrates research and development, manufacturing, and domestic and international sales.
Maijisen’s product portfolio centers on additives used to control the performance of polymer-processing systems, including PVC stabilizers, foaming agents, WPC lubricants, processing aids, impact modifiers, and related specialty additives. These materials are used in extrusion and downstream finishing for products such as PVC profiles, foam boards, WPC wall panels, SPC flooring, pipes and fittings, and other building-material and industrial plastic applications.
The company reports a 12,000 m² production base in Yancheng and a 400 m² R&D laboratory, supported by automated mixing and blending lines and a technical team focused on formulation development and customized service. Chinaplas’ exhibitor information identifies the company as a “Shining Niche” company and recognizes its specialization within the plastics supply chain.
History and Development
Maijisen states that it was established in July 2009, initially focusing on plastic-processing additives for PVC and related applications. Over time, it expanded from a supplier of core additives into a broader technical service provider offering formulation support, sample development, and OEM-style customization.
A notable development milestone occurred in September 2016, when the company established Shanghai Hunxun Technology Development Co., Ltd. to strengthen technical research and market-development capabilities. In 2024, Maijisen says it upgraded its operating platform by setting up a headquarters in Yuehui Commercial Plaza, East Kunshan, consolidating domestic and foreign trade functions in one office.
The company also built out its production infrastructure in Yancheng, Jiangsu Province, where it reports a modern plant and laboratory complex intended to support stable, scaled production of additives for plastics processing.
Business Operations and Segments
Maijisen operates as a supplier of rubber and plastic processing additives, with activities spanning R&D, production, and import-export sales. Its business model combines standard additive manufacturing with formulation support for customers in profile extrusion, foam board, flooring, and related sectors.
Its operating capabilities include:
- Manufacturing of stabilizers, foaming agents, lubricants, and processing aids.
- Technical support such as formula guidance, engineering consultation, and training assistance.
- Customized services including OEM support and solution development for customer production lines.
The company also markets itself through international B2B channels and trade-show platforms, reflecting an export-oriented commercial strategy alongside its domestic business base.
Products and Technologies
Maijisen’s core products are additives used to tune the processing and end-use performance of PVC, WPC, and related compounds.
Main product categories
- PVC stabilizers, including Ca/Zn systems.
- Foaming agents and foaming regulators for PVC foam board and related materials.
- WPC lubricants and internal/external lubricants for extrusion processing.
- Processing aids and acrylic impact modifier agents for improving melt behavior and material toughness.
- Auxiliary additives such as modifiers, color agents, and UV-related products listed in its product classification pages and marketplace profiles.
Technical focus
The company describes its additives as intended to improve flow, stability, and surface finish in extrusion and flooring production, while supporting hardness, toughness, and processing consistency in finished products. Its solution pages refer to product support for PVC profile material, PVC foam board, and SPC floor material, including production-formula assistance for customers’ machines and process testing.
Maijisen also emphasizes fully automated mixing and blending production lines, which it says are used to improve efficiency and product consistency. The company reports large-scale annual capacity figures for selected product families, including PVC stabilizers and PVC foaming agents.
Applications and End Markets
Maijisen’s additives are used in a range of plastics and building-material applications, especially in extrusion-based product lines.
- PVC window and door profiles
- WPC wall boards and decorative profiles
- SPC flooring
- PVC foam board, including furniture, advertising, and construction boards
- Pipes and fittings
- Cable and footwear-related applications listed in product-market descriptions
The company’s business is therefore closely connected to the broader demand for additives that improve processability, physical performance, and dimensional stability in construction-oriented plastic products.
Global Presence and Market Position
Maijisen presents itself as a company serving both domestic and international markets, with sales and service activity in China and abroad. Trade-data sources indicate export activity to markets including Vietnam, Uganda, and Kazakhstan, while marketplace listings also reference demand in regions such as the Middle East, Asia, Africa, and parts of the Americas.
The company’s Chinaplas exhibitor profile and “Shining Niche” designation suggest a specialized position within the plastics ecosystem rather than a broad commodity-petrochemicals role. Its market identity is built around niche additive formulation, customer technical support, and application-specific solutions for extrusion and foam-board production.
Research and Development
Maijisen states that it operates a 400 m² professional R&D laboratory and works with scientific research institutions to develop advanced formulations and high-performance additives. Its research emphasis appears to be on additive systems for PVC and WPC processing, particularly formulations that balance cost, processability, and final-product quality.
The company also highlights a technical-service model that includes production formula guidance, technical consultation, sample support, and engineer training, indicating that product development is closely tied to application engineering rather than laboratory work alone.
Sustainability and Environmental Initiatives
Maijisen repeatedly characterizes its portfolio as eco-friendly, particularly in relation to Ca/Zn stabilizers and other plastic-processing additives marketed for PVC and WPC applications. In industry terms, that positioning aligns with broader shifts away from more regulated additive systems and toward formulations designed for improved compliance and downstream acceptance.
At the same time, its product mix and market communications show that performance, cost, and regional customer requirements remain central to its commercial strategy, which is typical for specialty additive suppliers serving construction-material producers.
Quality Management and Certifications
The company’s Chinaplas exhibitor information lists it as a “Shining Niche” company, a recognition used to identify specialized and differentiated suppliers. Maijisen’s own materials emphasize stable large-scale production, automated blending lines, and product consistency as part of its quality approach.
Innovations and Future Outlook
Maijisen’s development path suggests continued emphasis on application-specific additive systems for PVC, WPC, and SPC flooring markets, where formulation stability and process support are commercially important. Its combination of manufacturing capacity, technical consultation, and export-oriented sales indicates a strategy focused on deepening its role as a specialized supplier in the plastics-processing value chain.
Future competitiveness in this segment is likely to depend on continued formulation refinement, tighter compliance with regional material requirements, and the company’s ability to support customers with reliable processing solutions across multiple extrusion-based end uses.
References
- •
CPS+ eMarketplace. (n.d.). KUNSHAN MAIJISEN COMPOSITE MATERIALS CO., LTD.KUNSHAN MAIJISEN COMPOSITE MATERIALS CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1032493Link