PVC Double Wall Corrugated Pipe Extrusion Line (SBG500) Qingdao Huasu Machinery Fabricate Co., Ltd. Base Info Model NO.:SBG500Product Type:PVC PipeAutomation:AutomaticComputerized:ComputerizedCertification:CEDiameter:200-500mmTrademark:HUASUSpecification:CE, ISO9000Origin:Qingdao, ChinaHS Code:84772090 Description Pre:Foam Box Vacuum Forming Machine to Make Lunch Box Next:UPVC Double Wall Corrugated Pipe Extrusion Line (SBG315)