Qingdao Kerun Plastic Machinery Co. Ltd is the professional pipe machine provider. This line is mainly used to produce U-PVC, C-PVC Huge Calibre Pipe for Supply an Drain Water. Composed of double screw extruder, pipe die, vacuum sizing device, multi-pedrails hauling machine, cutting machine and stacker; Choose conical or parallel double screw extruder according to different demands