Main Products

KUNSUN’s portfolio of TPU solutions provides superior properties and benefits for hose, tube  Compounding, footwear, hose and tube, wheels and caster, injection parts and automotive parts applications

  • Footware
    Footware
  • Compound
    Compound
  • Tubes and Hoses
    Tubes and Hoses
  • Wheels and Caster
    Wheels and Caster
  • Injection Parts
    Injection Parts
  • Automotive Parts
    Automotive Parts
  • B-400 Series
    B-400 Series
  • B-700 Series
    B-700 Series
  • S-600 Series
    S-600 Series
  • S-100 Series
    S-100 Series
  • E-300 Series
    E-300 Series
  • Aliphatic E-TPU
    Aliphatic E-TPU
1993
1993
Company founded
4
4
+
World wide branches
24000
24000
Annual production capacity(tons)
22
22
+
Market coverage
About Us
27
27

years of experience in the market

KUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD. is a manufacturer, sales, marketing and technical development of thermoplastic polyurethane (TPU). KOSLEN TPU is commonly used in shoes, tube, medical products, Wearable electronics, wheels, automotive parts, injection parts, compound. With 24000 tons of annual production capacity and strong finical, every customers’ orders can be put into execution in short lead time. Since the establishment, the company has been upholding the business philosophy of “pursuing excellence, service-oriented and sustainable development”. For 27 years, our 4 subcompanies have been work on contributing to give our customers the most reliable, relevant and cost-effective TPU. Our good long term and mutual development relationship with suppliers, customers, and logistics companies results in timely responses, lower costs, and flexibility. Our outstanding R&D, management capability result in proactive, flexible customer service. Our world wide branches result in short turnaround times follow-up if issues arise. Taiwan factory was established in 1993 Fuzhou factory was established in 2001 Dongguan Factory was established in 2004 Quanzhou factory was established in 2010 TEL:+86-0595-27815388 FAX:+86-0565-87257755 ADD:Petrochemical light industry community, Wangchuan Town, Huian Couty, Quanzhou City, China
  • Cost Effective Cost Effective

    Our long term good relationship with suppliers, customers, and logistics companies results in timely responses, lower costs, and flexibility

  • Flexibility Flexibility

    Our outstanding R&D, management capability result in proactive, flexible customer service.

  • Process Stability Process Stability

    All batches maintaining good and stable mechanical properties, Keep stable easy processing for customers.

Latest News

Founded in 2010, it is a professional manufacturer mainly producing thermoplastic elastomers. The products are all TPU, TPR, TPV, TPE and other thermoplastic elastomers.

Koslen® TPU Shines at Asia Pacific International Plastics and Rubber Industry Exhibition, Draws Intense Attention at Booth S3C195
Koslen® TPU Shines at Asia Pacific International Plastics and Rubber Industry Exhibition, Draws Intense Attention at Booth S3C195

(July 10-13, 2025) – From July 10th to 13th, the 22nd Asia-Pacific Plastics & Rubber Exhibition was grandly held at the Qingdao World Expo City International Convention and Exhibition Center. KUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD., an industry pioneer with over 30 years of dedicated focus on TPU R&D and manufacturing, made a grand appearance at Booth S3C195. Showcasing its renowned brand Koslen® and innovative achievements, the company became a focal point in the TPU sector at this year's exhibition, leveraging its profound technical expertise and cutting-edge new product portfolio. The KUNSUN booth experienced a continuous flow of visitors and sustained surge in popularity. Professionals and partners from diverse fields including footwear materials, pipes, medical products, wearable electronics, wheels, automotive parts, injection molding, and modification stopped to explore the rich array of application samples and core material exhibits. They engaged in in-depth discussions and enthusiastic negotiations with the KUNSUN technical team. Visitors gained an immersive experience of the exceptional performance and broad applicability of Koslen® TPU materials, seeking new opportunities for win-win collaboration. With thirty years of deep cultivation in the TPU field, KUNSUN Polymer has consistently focused on technological innovation and quality enhancement. The Koslen® brand has earned widespread trust from global customers through its superior physical and mechanical properties, processing stability, and eco-friendly characteristics, successfully penetrating numerous critical application scenarios. At this exhibition, Kunsheng Polymer powerfully launched two innovative product lines: Aliphatic TPU Series: Delivers an ideal solution for fields demanding stringent color stability and appearance. SCF (Supercritical Foaming) Dedicated TPU Series for Micro/Macro Foaming: Tailor-made for advanced supercritical physical foaming processes, this series overcomes technical barriers. It empowers customers to achieve large-scale, stable production of high-performance, lightweight foamed products (like premium sports shoe midsoles, lightweight cushioning materials), pushing the boundaries of performance.

Jul 23, 2025
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  • KUNSUN Polymer Showcases Breakthrough Innovations Aliphatic TPU which tailored for advanced foaming technologies at CHINAPLAS 2025 KUNSUN Polymer Showcases Breakthrough Innovations Aliphatic TPU which tailored for advanced foaming technologies at CHINAPLAS 2025

    April 18, 2025-Shenzhen, China KUNSUN Polymer Material (Fujian) Co., Ltd., a leading innovator in thermoplastic polyurethane (TPU) solutions, made a significant impact at CHINAPLAS 2025 (Booth 17M61), Asia’s premier plastics and rubber trade fair. The company highlighted its cutting-edge KOSLEN® TPU portfolio, with a special focus on its newly developed aliphatic TPU series tailored for advanced foaming technologies, drawing widespread attention from global industry professionals.   Star of the Show: Aliphatic TPU for Next-Gen Applications The spotlight at KUNSUN’s booth shone on its aliphatic TPU solutions, engineered for high-performance applications such as:     Supercritical SCF (Supercritical Fluid Foaming): Enabling ultra-lightweight, energy-absorbing components for automotive interiors and sports equipment.   Microcellular Foaming & Injection Molding Foaming: Delivering precision-engineered foamed parts with exceptional strength-to-weight ratios for industrial and consumer goods.   E-TPU & TPU Foam: Revolutionizing footwear midsoles, protective packaging, and vibration-damping materials through customizable cell structures.   These innovations align with global trends toward sustainability and lightweight design, offering recyclability and reduced material consumption without compromising durability.   Global Engagement: Bridging Expertise with Market Needs TheKUNSUN booth attracted a steady stream of visitors, including:   International Brands & Manufacturers: Representatives from automotive, footwear, and electronics sectors explored collaborations for lightweighting and eco-friendly material substitution.   Technical Partners: Existing and new clients brought specific case studies seeking tailored TPU solutions, particularly for replacing PVC, rubber, or rigid plastics.   Industry Experts: Engineers and R&D teams engaged in deep-dive discussions on optimizing foaming parameters and co-developing application-specific grades.   "The overwhelming interest in our aliphatic TPU series validates our R&D focus on solving real-world challenges,"saidBruce,R&D Director at KUNSUN."From sustainable packaging to electric vehicle components, we’re empowering industries to innovate with materials that perform and protect the planet."   Driving the Future of TPU As a National Specialized“Little Giant” Enterprise and Fujian Province High-Tech Innovator,KUNSUN continues to invest in advanced TPU technologies. The company plans to expand its collaboration network post-CHINAPLAS 2025, offering technical workshops and co-development programs to accelerate product commercialization.

    Apr 28, 2025
    view moreKUNSUN Polymer Showcases Breakthrough Innovations Aliphatic TPU which tailored for advanced foaming technologies at CHINAPLAS 2025
  • KUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD to Showcase Innovative TPU and Supercritical foam(SCF) Solutions at Chinaplas 2025 KUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD to Showcase Innovative TPU and Supercritical foam(SCF) Solutions at Chinaplas 2025

    [Shenzhen, China - April 15-18, 2025] KUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD, a leading manufacturer of polyurethane materials, is pleased to announce its participation in Chinaplas 2025 (The 37th International Exhibition on Plastics and Rubber Industries). The exhibition will be held from April 15-18, 2025 at the Shenzhen World Exhibition & Convention Center (Bao'an New Venue). KUNSUN will showcase its innovative TPU (Thermoplastic Polyurethane) and groundbreaking Supercritical foam(SCF) material solutions. KUNSUN will present its revolutionary supercritical foaming process, which enables microcellular foaming of TPU materials. This technology significantly enhances lightweight properties and cushioning performance while maintaining excellent mechanical strength and resilience. Key applications include: Footwear: Lightweight and elastic midsole solutions,Automotive: NVH (Noise, Vibration, and Harshness) damping materials,Sporting goods: Sports mats and protective gear,Packaging: High-cushion protective materials. Warm Invitation to Industry Peers KUNSUN cordially invites global customers, partners, and industry experts to visit our booth (Booth No.:17M61). Through live demonstrations, sample displays, and technical exchanges, we will comprehensively showcase KUNSUN's innovation capabilities. Exhibition Information Exhibition Name: Chinaplas 2025 Date: April 15-18, 2025 Venue: Shenzhen World Exhibition & Convention Center (Bao'an New Venue) KUNSUN Booth No.:17M61 Contact Us For more information or to schedule a meeting, please contact: Email:KOSLEN@163.com Website: www.tpupolymer.com We look forward to meeting you in Shenzhen to create the future of thermoplastic polyurethane(TPU resin)materials together!

    Apr 11, 2025
    view moreKUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD to Showcase Innovative TPU and Supercritical foam(SCF) Solutions at Chinaplas 2025
  • TPU Polyurethane Solutions Shine at the 2025 Hefei Asia-Pacific International Plastics & Rubber Industry Exhibition TPU Polyurethane Solutions Shine at the 2025 Hefei Asia-Pacific International Plastics & Rubber Industry Exhibition

    KUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD., a leading innovator in thermoplastic polyurethane (TPU) materials, successfully showcased its cutting-edge TPU solutions at the 2025 Hefei Asia-Pacific International Plastics & Rubber Industry Exhibition (March 13–16, 2025). Held at the Hefei Binhu International Convention and Exhibition Center, the event provided a global platform for industry leaders to highlight advancements in sustainable materials, smart manufacturing, and cross-sector collaboration. As a key exhibitor in the high-performance materials zone, KUNSUN attracted significant attention with its eco-friendly, high-performance TPU products tailored for automotive, electronics, footwear, and industrial applications. Key exhibits included: Aliphatic no-yellowing E-TPU Solutions:Non-yellowing with Excellent bending resistance E-TPU  designed to running shoes’ sole application Customizable TPU Formulations: Tailored hardness, transparency, and mechanical properties to meet diverse client needs. The company’s booth became a hub for technical discussions, drawing engineers, procurement managers, and sustainability officers from across Asia. Highlights included Interactive displays of TPU’s flexibility, durability, and bonding capabilities in multi-industry applications.Preliminary agreements signed with automotive suppliers and footwear electronic manufacturer seeking environmental friends plastic to traditional plastics. KUNSUN is committed to driving the plastics industry’s sustainable transformation. TPU can bridge performance and environmental responsibility. KUNSUN POLYMER MATERIAL(FUJIAN)CO., LTD., is a global leader in TPU polyurethane development and manufacturing, specializing in customizable, sustainable solutions for industries ranging from automotive to consumer goods. With ISO-certified facilities and a focus on R&D, the company empowers clients to meet evolving regulatory and performance demands. NEXT MONTH WE WILL BE IN SHENZHEN Chinaplas, welcome to visit our booth. 17M61 on 2025.4.15-18

    Mar 24, 2025
    view moreTPU Polyurethane Solutions Shine at the 2025 Hefei Asia-Pacific International Plastics & Rubber Industry Exhibition
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