... .PVC pipe line is mainly used in the production of double PVC pipe water drainage pipe, electric conduit, etc., conical twin-screw extrusion ... equipment, can be used for rigid PVC pipe extrusion processing.2.Rigid PVC pipe equipment adopts SGC63-SGC630 and models:3 ... beautiful appearance, smooth operation, the noise is small,The machine adopts copper aluminum heater, wind cooling system, heating, ...