ISO9001 UPVC Twin Wall Corrugated Tube Extruder Line (SBG315) Qingdao Huasu Machinery Fabricate Co., Ltd. PP Twin Wall Corrugated Tube Making Equipment (SBG315) Qingdao Huasu Machinery Fabricate Co., Ltd. PP Twin Wall Corrugated Tube Extrusion Line (SBG315) Qingdao Huasu Machinery Fabricate Co., Ltd. PE Twin Wall Corrugated Tube Extruder Line (SBG315) Qingdao Huasu Machinery Fabricate Co., Ltd. UPVC Double Wall Corrugated Pipe Production Line (SBG1000) Qingdao Huasu Machinery Fabricate Co., Ltd. PVC/PP/PE Double Wall Corrugated Pipe Machinery Line (SBG800) Qingdao Huasu Machinery Fabricate Co., Ltd. SBG 500 PVC/PP/PE Double Wall Corrugated Pipe Production Line Qingdao Huasu Machinery Fabricate Co., Ltd. CE PVC/PP/PE Double Wall Corrugated Pipe Production Line (SBG 315) Qingdao Huasu Machinery Fabricate Co., Ltd. PP Double Wall Corrugated Pipe Machinery Line (SBG400) Qingdao Huasu Machinery Fabricate Co., Ltd. PP Double Wall Corrugated Pipe Extrusion Line (SBG500) Qingdao Huasu Machinery Fabricate Co., Ltd. <<<1112131415>>>
