... , gate valves, check valves, strainers, sanitary fittings, quick couplings and various types of pipe fittings . Guaranteed that the product conforms ... JIS,GB international standard .The Company has been certified with ISO 9001 and TUV CE, which enables us to closely reach the ... , the Australian state, Southeast Asia, the Middle East and so on . And has established the good prestige in the client base ...