QINGDAO SANYI PLASTIC MACHINERY CO.,LTD is found in 2006. SANYI is the leading manufacturer of PVC WPC SPC vinyl sheet machine. More than 16 years of  experience. Get more than 70 patents. Exported more than 30 countries. New types of extruder constantly lunched at international exhibitions. Sanyi invented WPC multi-layer one-step flooring production line, and successfully launched a SPC extrusion line with large output parallel twin-screw. It has been widely used in Eruopen and Ameriacan markets.