PE/PP Twin Wall Corrugated Tube Machinery Line (SBG500) 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:PE/PP Twin Wall Corrugated Tube Production Line (SBG500) Next:PP/PE Double Wall Corrugated Tube Extruder Line (SBG800)