UPVC Twin Wall Corrugated Tube Making Mahcine (SBG315) Qingdao Huasu Machinery Fabricate Co., Ltd. Base Info Model NO.:SBG315Product Type:PVC PipeAutomation:AutomaticComputerized:ComputerizedCertification:CETrademark:HUASUSpecification:CE, ISO9001Origin:QingdaoHS Code:84779000 Description Pre:SBG 315 UPVC Twin Wall Corrugated Tube Machinery Line Next:SBG 315 UPVC/PP/PE Twin Wall Corrugated Tube Extrusion Line