SBG 500 PE/PP Twin Wall Corrugated Tube Extrusion Line Qingdao Huasu Machinery Fabricate Co., Ltd. Base Info Model NO.:SBG500Product Type:PE PipeAutomation:AutomaticComputerized:ComputerizedCertification:CETrademark:HUASUSpecification:CE, ISO9000Origin:QingdaoHS Code:84779000 Description Pre:CE UPVC Twin Wall Corrugated Tube Extrusion Line (SBG400) Next:PE/PP Twin Wall Corrugated Tube Production Line (SBG500)