... -PP, HIPS, GPPS, PE,etc -Screw:105/110/120/135mm,customized -one year ... PP, PE, PS, HIPS sheet etc. The screw of the extruding machine uses big ratio of length ... thickness and same running speed. This machine includes screw extruder, 3-roller calendar, traction rewinder. The surface of ... and the thickness is equal. Shantou Runyuan Machinery Co.Ltd.is a factory specializing in plasticMechanical equipment ...