CE UPVC Double Wall Corrugated Pipe Extrusion Line Qingdao Huasu Machinery Fabricate Co., Ltd. Base Info Model NO.:SBG400Product Type:PVC PipeAutomation:AutomaticComputerized:ComputerizedCertification:CE, ISO9001:2008Trademark:HUASUSpecification:CE, ISO9001Origin:QingdaoHS Code:84779000 Description Pre:ISO9001 PVC Single Wall Corrugated Pipe Extrusion Line Next:PE Large Diameter Pipe Production Line