SBG 400 UPVC Twin Wall Corrugated Tube Machinery Line Qingdao Huasu Machinery Fabricate Co., Ltd. Base Info Model NO.:SBG400Product Type:PVC PipeAutomation:AutomaticComputerized:ComputerizedCertification:CETrademark:HUASUSpecification:CE, ISO9001Origin:QingdaoHS Code:84779000 Description Pre:CE UPVC Twin Wall Corrugated Pipe Extruder Line (SBG 400) Next:SBG 400 UPVC Twin Wall Corrugated Tube Making Machine