Our History
Founded in 2003, KUNSHAN KESUN POLYMER CO., LTD. is a professional manufacturer integrating R&D, production and sales of thermoplastic elastomers. For over two decades, adhering to the corporate philosophy of "Technology-led, Integrity-driven", we have been deeply engaged in the field of green and environmentally friendly polymer materials, growing from a single-product supplier to a leading domestic comprehensive solution provider for thermoplastic elastomers. With 100 mu of self-owned land, 3 production bases, offices nationwide and an annual production capacity of 100,000 tons, we are one of the leading TPE/TPV/TPU manufacturers in China.
Our Factory
Headquartered in Zhoushi Town, Kunshan City, Jiangsu Province, the company has 3 intelligent production bases, equipped with internationally advanced twin-screw extrusion lines, precision mixing equipment and full-process testing instruments, realizing fully automated control from raw material formulation to finished product delivery. The factory strictly follows the ISO 9001:2015 quality management system. Through intelligent production upgrading, we ensure stable product performance and efficient delivery, meeting the large-scale customized order needs of automotive, medical, 3C, daily necessities and other industries.
Our Product
1. Styrenic Thermoplastic Elastomers (TPE/TPR)
2. Thermoplastic Vulcanizates (TPV)
3. Thermoplastic Polyurethanes (TPU)
4. Thermoplastic Polyester Elastomers (TPEE)
5. Thermoplastic Polyolefins (TPO)
6. Customized modified materials such as halogen-free flame retardant series, low-odor series, etc.
Our products feature environmental friendliness, recyclability, easy processability and adjustable performance, with customizable hardness, temperature resistance, flame retardancy, wear resistance and other properties to meet customer needs.
Product Application
Automotive
Low-odor environmentally friendly materials for automotive seals, interior parts, dust covers, wire harness sheaths, etc.
Footwear
High-elasticity wear-resistant materials for sports shoe outsoles, midsoles, heels, etc.
Daily Necessities
Food-grade safe materials for kitchen utensil handles, children's toys, bathroom supplies, stationery, etc.
3C Electronics
Weather-resistant insulating materials for mobile phone/computer accessories, data cable sheaths, seals, etc.
Medical
Biocompatible materials for medical catheters, protective supplies, etc.
Building Materials
Aging-resistant sealing materials for door/window seals, waterproof membranes, etc.
Our Certificate
We always adhere to technological innovation and quality control, and have obtained a number of authoritative certifications:
ISO 9001:2015 Quality Management System Certification
Jiangsu High-tech Product Certification (Halogen-free Flame Retardant Materials)
18 International Registered Trademarks
Multiple invention patents and utility model patents related to polymer materials
Compliance with international environmental and safety standards such as RoHS, REACH, FDA
Production Equipment
We are equipped with industry-leading intelligent production and testing equipment:
• Internationally advanced twin-screw extrusion lines, internal mixers, open mills
• Precision injection molding machines, granulators, automatic packaging lines
• Full-process testing instruments: tensile testing machines, durometers, aging test chambers, odor testing equipment, flame retardant testers, etc.
• Intelligent production control system, realizing real-time monitoring and traceability of production data
Production Market
Our sales network covers the whole world. In the domestic market, we focus on core industrial belts such as East China, South China and North China, serving thousands of well-known enterprises. In the overseas market, we focus on Southeast Asia (Vietnam, Indonesia), South America (Brazil), Europe, North America and other regions, with products exported to more than 30 countries and regions worldwide. With stable product quality and professional technical services, we have accumulated a deep customer reputation in automotive, footwear, daily necessities and other fields. With an annual production capacity of 100,000 tons, we are one of the leading enterprises in China's TPE industry in terms of production scale, continuously providing high-quality polymer material solutions for global customers.
Our service
Pre-sales Service
• Free Technical Consultation: Our senior polymer material engineering team provides professional material selection and formula optimization suggestions based on customers' product application scenarios and performance requirements (such as hardness, temperature resistance, flame retardancy, low odor, etc.).
• Customized Solutions: Tailor-made exclusive material solutions for special needs of different industries such as automotive, footwear, medical, 3C, etc., to help customers upgrade their products.
• Free Sample Support: Provide samples of corresponding specifications according to customer needs for prototyping testing and performance verification, reducing trial production risks.
• Market & Technical Support: Synchronize the latest industry standards (such as RoHS, REACH, FDA) and technical trends to guarantee the compliance and market competitiveness of customers' products.
In-sales Service
• Full-process Order Follow-up: Dedicated sales engineers follow up orders throughout the process, real-time update production progress and logistics information to ensure stable and controllable delivery time.
• Strict Quality Control: The entire production process follows the ISO 9001 quality management system. Each batch of products undergoes strict testing and a detailed quality inspection report is issued to ensure stable and consistent product performance.
• Flexible Customized Production: Support small-batch trial production and large-scale mass production, adjust formula, hardness, packaging and other details according to customer needs to meet personalized order requirements.
• Efficient Communication & Response: 7×24 hours rapid response to customer inquiries, timely solve various problems in production and delivery to ensure smooth cooperation.
After-sales Service
• Technical Support & Troubleshooting: Provide full-process technical guidance during product use, quickly respond to and solve technical problems encountered by customers in processing and application.
• After-sales Quality Guarantee: In case of product quality problems, respond within 24 hours and provide solutions within 48 hours, support return and exchange and technical rectification to protect customer rights.
• Continuous Service Optimization: Regularly follow up with customers, collect usage feedback, continuously optimize product formulas and service processes, and provide long-term stable material supply and technical support for customers.
• Supply Chain Guarantee: Establish a complete raw material reserve and production scheduling system to ensure long-term stable supply, and respond to customer order fluctuations and urgent needs.