A comprehensive guide to the leading players driving innovation in the Asian polymer market.
China has evolved from a simple manufacturing hub into a global powerhouse for advanced material science. For procurement managers and engineers in the automotive, electronics, and appliance sectors, finding the right partner in China’s modified plastics industry is crucial for supply chain resilience and cost-efficiency.
Below is a curated list of the Top 10 Modified Engineering Plastics Manufacturers in China. This list is organized to help you identify suppliers based on their core material strengths and unique market value propositions.
1. Kingfa Sci. & Tech. Co., Ltd.
Main Materials: PP, ABS, PA, PBT, PC, Special Engineering Plastics, Biodegradable Plastics.
Key Features:
As the undisputed market leader in Asia, Kingfa boasts the largest production capacity and the most extensive global footprint among Chinese modifiers. They offer a "one-stop-shop" solution with a massive R&D infrastructure, covering everything from general-purpose automotive materials to high-end biodegradable polymers and medical-grade plastics.
Website: http://www.kingfa.com/en/
2. Kumho Sunny Plastics
Main Materials: Modified ABS, PP, PC, PC/ABS, ASA, PA.
Key Features:
Different from the traditional resin classification used by conventional modified plastics companies, we focus on strengthening and perfecting the material properties most needed in our clients' product application scenarios—such as aesthetics, dimensional stability, weather resistance, and scratch resistance. This approach helps customers move away from homogenization and build a competitive advantage right from the material selection stage.
Website: https://www.kumhosunnyglobal.com/
3. Shanghai Pret Composites Co., Ltd.
Main Materials: PP, ABS, PC/ABS, LCP (Liquid Crystal Polymer).
Key Features:
Pret is a dominant force in the automotive sector. Following their acquisition of Wellman in the United States, they have established a strong trans-Pacific presence. They are particularly renowned for their high-end automotive interior and exterior materials, as well as advanced electronic materials through their specialty chemicals division.
Website: http://www.pret.com.cn/en/
4. WOTE Advanced Materials Co., Ltd.
Main Materials: LCP, PTFE, PPA, PPS, PC, PP.
Key Features:
WOTE distinguishes itself by focusing heavily on "Special Engineering Plastics." While they produce general plastics, their reputation is built on high-performance materials used in 5G communications, aerospace, and precision electronics. They are a go-to supplier for high-frequency and high-heat resistance requirements.
Website: http://www.wotematerial.com/
5. Guangdong Silver Age Sci. & Tech. Co., Ltd.
Main Materials: Modified PP, ABS, PC, TPE, 3D Printing Materials.
Key Features:
Silver Age is known for its agility and innovation in the electronics and consumer goods sectors. They were one of the first major Chinese manufacturers to heavily invest in the R&D of 3D printing consumables. They are highly responsive to trends in the 3C (Computer, Communication, Consumer Electronics) industry.
Website: http://www.silverage.cn/en/
6. Shenzhen Genius Advanced Material Co., Ltd.
Main Materials: PBT, PPS, PA, PET.
Key Features:
Genius specializes in materials for the electrical and electronics industry. They have a strong niche in connector materials and structural parts that require high dielectric strength and dimensional stability. Their PBT and PPS compounds are widely used in the IT and appliance sectors.
Website: http://www.geniuscn.com/
7. Nanjing Julong Science & Technology Co., Ltd.
Main Materials: PA66, PA6, PP, LFT (Long Fiber Thermoplastics).
Key Features:
Nanjing Julong has deep roots in the high-speed railway and automotive industries. They are particularly strong in producing nylon (PA) composites used in railway fasteners and under-the-hood automotive components. Their expertise in metal replacement technologies is highly regarded.
Website: http://www.njjulong.cn/
8. Guangdong Polyrocks Chemical Co., Ltd.
Main Materials: Flame Retardant PP, PA, PBT, PC.
Key Features:
Often referred to as the "Firefighter of Plastics," Polyrocks focuses intensely on flame-retardant modifications. They hold extensive UL certifications and specialize in meeting stringent safety standards for export electronics and home appliances. If fire safety is the priority, Polyrocks is a primary candidate.
Website: http://www.polyrocks.com/
9. Selen Science & Technology Co., Ltd.
Main Materials: Antistatic/Conductive Polymers, Cleanroom Materials.
Key Features:
Selen operates in a high-tech niche, focusing on functional materials for the semiconductor and optoelectronics industries. Their modified plastics often feature anti-static, conductive, or dust-free properties, making them essential for cleanroom environments and sensitive electronic packaging.
Website: http://www.selen.com.cn/en/
10. China XD Plastics
Main Materials: Automotive specialized Modified PP, ABS, PA.
Key Features:
Headquartered in Northeast China (a major automotive hub), XD Plastics is a specialized supplier for automotive OEMs. They focus on lightweighting solutions and biocomposites, helping car manufacturers meet fuel efficiency targets through advanced polymer applications.
Website: http://www.chinaxd.net/
Conclusion
Selecting a modified plastics supplier in China is no longer just about cost; it is about capabilities. Whether you require the massive scale of Kingfa, the application-scenario focused innovation of Kumho Sunny, or the specialized engineering focus of WOTE, this list represents the best of Chinese manufacturing quality.
Post time: Dec-12-2025