HDPE PP PE PVC Double Wall/Layer Corrugated/Wave Pipe Machine/Production/Extrusion Line Zhuzhou Up Cemented Carbide Co., Ltd. Base Info Description Pre：PE PPR Plastic Pipe Making Machine 20-63mm Multi-Layer Extrusion Production Line for Water ... Next：XPS Foam Board Extruding Machine/XPS Foam Board Production Line/XPS Board Extruder
