Qingdao Tongsanhegu Plastic Machinery Manufacturing Co,.Ltd built in 1997.Total building size is 8048 square meters. Our company is professional extruder manufacturer. Our company mainly Manufacture corrugated pipe extrusion line, PP hollow sheet extrusion line, PE WPC profiles extrusion line, PVC WPC profiles extrusion line, PVC WPC door panel extrusion line, PVC WPC foam board extrusion line and PPR PE PVC pipe extrusion line. Our company could provide turn-key project as feasibility report, workshop planning, technical support, testing, installation, training and after-sale service. For more than 20 years, we have provided thousands of production lines for customers in more than 50 countries. Our equipment to create the greatest value for customers is our constant pursuit. Our engineers adhere to the original intention of doing every equipment component carefully, and only deliver efficient and stable equipment for customers. We live up to your every trust.