Kaifeng Tongyang Plastics Co., Ltd has an expert team of 30 years' experience in providing extrusion solutions, including plastic formula design, extrusion tool design, extrusion screw design and process technologies.

Taking advantage of its extensive experience in extrusion technologies, Kaifeng Tongyang Plastics has developed an innovative test machine, which integrates the tests for plastic formula and extrusion tool together. The company creatively built up a digital relationship between balance of plastic flow and tool parameters. The disruptive test method represents an important breakthrough of extrusion theory, and in the meantime it greatly improves the success rate in plastic formula design. Materials developed by this method can be directly used on customers' existing tool without change. The company can quickly provide low cost solution for customers' material replacement.

The company supply modified PVC, smoke suppression PVC, flame retardant PVC and other dedicated modified plastics for customers in various industries.