Shanghai Yin An Industry Co., LTD. was founded in 2010, which is located Shanghai China. We have done bussiness for 6 years, and have cooperation with many company including Fortune Global 500 company ,for example Evergrande Group,MACALLINE,China State Construction Engineering Corporation, Power Construction Corporation of China and many other company.Of course we have Contract to confirm this,And this is no doubt .The company has more than 100 large and small customers resources, is the industry leader.We have today's international advanced technology and equipment, the main production of green environmental protection building materials including: PPR Water Pipe and fittings,Galvanized Conduit Pipe and fittings,Galvanized Cable Tray and accessories,Electric Wires And Cables,Brass Valve Etc..