Spiral Pipe Extruder (SJTSG) Qingdao Tongsan Plastic Machinery Co., Ltd. Base Info Model NO.:SJTSGType:Pipe ExtruderTrademark:TSSpecification:CEOrigin:Shandong, ChinaHS Code:84772090 Description Pre:Single-Wall Corrugated Pipe Machine (SJDBGZ) Next:Gas And Water-Supplying Pipe Plastic Machinery(TS-001)