Qingdao sanyi plastic machinery co.,ltd is a professional manufacturer of pvc plastic board extrusion line. The company is proud of these products: pvc wpc (wood plastic composit) crust foam board extrusion line, pvc crust foam board extrusion line, pvc wood plastic foam board extrusion line, pvc building board extrusion line and pvc free foam board extrusion line.With good quality and competitive price.

The survey found that the company's domestic market share of over 30% ,at the same ...