China DiChao (ShangHai) Industry Co.,Ltd. located in Shanghai, the company own several joint venture factories that specialized in manufacturing sanitary ware, check valve, brass check valve, valves, parts for pipe, parts for gas and natural gas.The main material include stainless steel, carbon steel, cast iron, bronze, brass, aluminum, zinc, plastic and so on. We have the global product certificates. You will consider us as your ideal cooperator with our good quality products, check valve, brass check valve, ball check valve, swing check valve, water check valve, steel check valve, miniature check valve, plumbing check valve, safe valve, spring check valve, brass strainer, brass foot valve, excellent service, principle of good faith, mutual benefit cooperation.