PP Twin Wall Corrugated Tube Production Line (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:ISO9001 PE Twin Wall Corrugated Tube Making Equipment (SBG400) Next:HDPE/PP Double Wall Corrugated Pipe Extruder Line (SBG400)