DING JI POLYMER CO., LTD. - DING JI | TPE Compound Development & Manufacturing Expert

Quality & Certifications | TPE Compound Manufacturer & Custom Material Development | DING JI

Quality is a core value at DING JI POLYMER. Certified to the ISO 9001:2015 Quality Management System standard, we have established a comprehensive quality management framework covering every stage of production—from incoming raw material inspection and manufacturing to finished product testing and shipment control. By following standardized operating procedures throughout the entire process, we ensure every batch of TPE compounds delivers consistent quality and reliable processing performance. During production, we implement rigorous quality monitoring and batch management tailored to the characteristics of each product. Complete production records and full traceability systems enable us to continuously improve product consistency and supply reliability, helping customers reduce manufacturing risks and enhance processing efficiency. For specialized physical property testing, product performance validation, or customer-specific testing requirements, DING JI POLYMER works with internationally recognized third-party testing organizations, including SGS and the Plastics Industry Development Center (PIDC). Testing and validation are conducted in accordance with applicable industry standards, providing customers with reliable material performance data to meet the quality requirements of diverse industries and global markets. Established in 2010, DING JI POLYMER CO., LTD. specializes in the development and manufacturing of TPE / TPR compounds. We provide custom formulation, material modification and mass production solutions for injection molding, extrusion, blow molding, foaming and specialty applications. With reliable quality management and OEM / ODM development capabilities, DING JI supports customers in industrial, automotive and consumer markets, serving as a trusted TPE compound manufacturer and material development partner worldwide.

Quality Assurance & Quality Control (QA/QC)

DING JI POLYMER is certified to the ISO 9001:2015 Quality Management System standard. Combined with standardized process management and third-party testing and validation, we ensure every batch of TPE compounds delivers consistent quality and reliable performance.

DING JI POLYMER is certified to the ISO 9001:2015 Quality Management System standard. Combined with standardized process management and third-party testing and validation, we ensure every batch of TPE compounds delivers consistent quality and reliable performance.

Quality & Certifications

Quality Assurance & Quality Control (QA/QC)

Quality is a core value at DING JI POLYMER. Certified to the ISO 9001:2015 Quality Management System standard, we have established a comprehensive quality management framework covering every stage of production—from incoming raw material inspection and manufacturing to finished product testing and shipment control. By following standardized operating procedures throughout the entire process, we ensure every batch of TPE compounds delivers consistent quality and reliable processing performance.

During production, we implement rigorous quality monitoring and batch management tailored to the characteristics of each product. Complete production records and full traceability systems enable us to continuously improve product consistency and supply reliability, helping customers reduce manufacturing risks and enhance processing efficiency.

For specialized physical property testing, product performance validation, or customer-specific testing requirements, DING JI POLYMER works with internationally recognized third-party testing organizations, including SGS and the Plastics Industry Development Center (PIDC). Testing and validation are conducted in accordance with applicable industry standards, providing customers with reliable material performance data to meet the quality requirements of diverse industries and global markets.

Through a comprehensive quality management system and collaboration with trusted third-party testing organizations, DING JI POLYMER consistently delivers stable product quality and provides customers with reliable TPE compound solutions.
Through a comprehensive quality management system and collaboration with trusted third-party testing organizations, DING JI POLYMER consistently delivers stable product quality and provides customers with reliable TPE compound solutions.

Our Quality Management Advantage
  • ISO 9001:2015 Quality Management System Certification
  • Incoming Raw Material Inspection & Quality Verification
  • Standardized Process Quality Management
  • Batch Traceability & Production Record Management
  • Finished Product Inspection & Pre-Shipment Quality Verification
  • Third-Party Testing in Partnership with SGS
  • Testing & Validation by the Plastics Industry Development Center (PIDC)
  • Continuous Improvement of Quality Management Processes

Quality & Certifications | Your TPE Compound Manufacturing and Custom Material Development Partner

DING JI POLYMER develops and manufactures TOP-PELLET® thermoplastic elastomer compounds for industrial components, consumer products and automotive applications. Our material portfolio includes SEBS and SEBS/SBS compounds for injection molding, extrusion, foaming and blow molding, alongside specialty materials for overmolding, antistatic and electrically conductive applications. We help manufacturers evaluate material options according to their processing methods, product specifications and operating conditions.

Our custom material development and OEM manufacturing services support projects from formulation development and small-batch trials to production. Capabilities include hardness adjustment, mechanical property optimization, functional modification, material characterization and physical property testing. Whether you are selecting an existing grade or developing a compound for specialized requirements, our team works with you to assess processing challenges and refine the formulation. Share your application, target properties and manufacturing requirements to discuss a suitable material development approach.