Hangzhou Polytech Plastic Machinery Co., Ltd.  

Extruder, Extrusion Line, Extrusion Machine, Plastic Machine, Plastic Roofing Tile Extrusion Line, WPC Foamed Board Extrusion Line, Plastic Pipe Extrusion Line, Plastic Board and Sheet Extrusion Line, Plastic Profile Extrusion Line, Agricultural Drip Irrigation Pipe