Overall, although the reduction in the share of PVC pipes, but still occupy the dominant position in the plastic pipe market. And attractive prospect plastic pipe industry is still driven by the development of a major bright spot PVC pipe industry. According to the "2011-2016 China chemical pipelines market analysis and investment strategy research report" shows: the current domestic PVC pipe processing capacity of SMEs mainly in PVC drain. Housing construction and public works, "Twelve Five" period still provide a stable domestic demand will drive growth in market demand for PVC drain. The next period of time, PVC pipe construction market demand will still be demand-driven and continuous growth, especially in the protection of the arrival of a large number of housing construction completion. But it is worth noting that PVC pipeline companies also product structure adjustment should be combined with the actual situation, environmental protection and quality as the core focus on developing products to meet market demand for environmentally friendly building materials, pvc pipe, so as to establish the position in the plastic pipe market . China plastic pipe production capacity of 3 million tons pvc pipe manufacturers, mainly in PVC, PE and PP-R pipe three categories of professional pvc pipe, PVC pipe which is the largest market share of plastic pipe, accounting for nearly 70 percent of the plastic pipe. PVC pipe production line of more than 1,600. Annual production capacity of 2.5 million tons, in 2003 PVC pipe (pipe fittings) annual production of more than 120 million tons. Plastic pipes, PVC's share of 70%, PE accounted for 25%, PP-R 4%, other 1%. Although the rapid development of PVC pipes attracts investment companies to enter the industry, but many manufacturers in domestic production (more than 2,000), the annual production capacity of 10,000 tons in just over 70, the annual output of 30,000 tons or more enterprises and has more than 20 industry 60% yield. PVC material is polyvinyl chloride pvc pipe, it is a very versatile material, often used in our lives. Such as PVC pipe, PVC flooring, PVC wallpaper and so on. Indian market demand for PVC is increasing year by year, the future of India will continue to rely on imported PVC supplement. 1, PVC classification of different production methods, PVC can be divided into: general-purpose PVC resin, a high degree of polymerization PVC resins, crosslinked PVC resin. General-purpose PVC resin is a vinyl chloride monomer after polymerization initiator formed; high degree of polymerization PVC resin refers to vinyl chloride monomer was added in the polymerization system, polymerization of the chain extender resin; a crosslinked PVC resin is was added in the polymerization system of vinyl chloride monomer and a polyene resin diene polymerization containing crosslinker. Hardware pvc pipe, pvc pipe, sea Widex Widex provided by Qingdao Rubber Material Co., Ltd. Widex Qingdao Rubber Material Co., Ltd. (www.haihuidaxiangsu.com) strong, credible, in Qingdao, Shandong industrial products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the sea Widex and you work into the brilliant, for a better future!