PP Twin Wall Corrugated Tube Making Machine (SBG400) Qingdao Huasu Machinery Fabricate Co., Ltd. Base Info Model NO.:SBG400Product Type:PP PipeAutomation:AutomaticComputerized:ComputerizedCertification:CETrademark:HUASUSpecification:CE, ISO9000Origin:QingdaoHS Code:84779000 Description Pre:SBG 400 PP Twin Wall Corrugated Machine Line Next:CE UPVC Twin Wall Corrugated Tube Extrusion Line (SBG400)