PVC Twin Pipe Production Line Qingdao Tongsan Plastic Machinery Co., Ltd. Base Info Model NO.:SJPSGZType:Pipe ExtruderScrew:Twin-ScrewTrademark:TSSpecification:CEOrigin:Shandong, ChinaHS Code:84772090 Description Pre:UPVC Plastic Pipe Production Line (SJPGZ-011) Next:PPR Cold/Hot Water Pipe Extruder (SJLRG)