중국기계 장비 제조 / 공급 업체,제공 품질 HDPE Outer Casing Protection Pipe Pre-Insulated Pipe Manufacturing Machinery for District Heating, Polyurethane Coating and Protective Jacket Production Equipment for Pipeline Systems, Plastic PE HDPE Insulation Pipe Extrusion Machinery for Supplying Hot Water/Oil Pipeline 등등.