ISO9001 PVC Single Wall Corrugated Pipe Machinery Line Qingdao Huasu Machinery Fabricate Co., Ltd. Base Info Product Type:PVC PipeAutomation:AutomaticComputerized:ComputerizedCertification:CETrademark:HUASUSpecification:CE, ISO9000Origin:QingdaoHS Code:84779000 Description Pre:PVC Single Wall Corrugated Pipe Extruder Line Next:PE Huge Diameter Hollowness Wall Spiral Pipe Production Line