Qingdao HUASU Machinery Fabricate Co Ltd designs and develops HDPE MDPE water supply pipe production line and gas pipe production line by itself. its have many features, such as special structure, high degree automation, easy operation, continuous produce stable and reliable and so on. It is also applicable for high speed extrusion of PE PP PPR, PERT ABS etc. Plastic Pipes that are produced by this line have excellent stiffness, flexibility, high mechanical strength, resistance of environmental stress cracks, resistance to creep deformation, heat- linkage and so on. It has become the first choice for the city gas pipe and outdoor water pipe. With a concept of Win By Technology , HUASU is willing to supply great quality and fine finished Double Wall Corrugated Pipe Machines and other plastic pipe extruder to both domestic and foreign customers. We struggle for helping our customers to win maximum profit with high technology and amusing efficiency products. HUASU Company is willing to develop and cooperate with customers from all over the world hand in hand for the bright future. Main Product 1HDPE Double Wall Corrugated Pipe Extrusion Line ( 32- 1200mm) 2UPVC Double Wall Corrugated Pipe Extrusion Line ( 38- 1000mm) 3HDPE Water Supply/Gas Distribution Pipe Extrusion Line ( 16- 1200mm) 4PVC Rigid Pipe Production Line ( 16- 630mm) 5HDPE Huge Calibre Hollowness Wall Spiral Pipe Production Line ( 200-