Recently, Qingdao Furun Plastic Extrusion Technology Co., Ltd. successfully developed a production of 1.2-meter diameter HDPE large diameter plastic pipe extrusion equipment, the device has passed the expert appraisal. Experts said that Qingdao Furun developed large diameter HDPE water supply pipe production line, the whole design of science, energy efficient, a number of economic and technical indicators have reached the international advanced level. Compared with the traditional galvanized steel pipe and ductile iron pipe, the large diameter HDPE water supply pipe produced by the device not only has the advantages of low overall cost, long service life (about 50 years), non-toxic, non-fouling, corrosion resistance and high strength, Impact resistance, good resistance to stress cracking performance, can effectively improve the quality of water supply pipe network, the city's first choice for long-distance water supply pipe.