KING DA JENG CO., LTD. (KDJ) is a professional manufacturer of valves and fittings. Our company specialized in manufacture all kinds of acid-resistant and alkali-resistant valves, pipe fittings and connections in plastic. All of our products are suitable for acid-resistant and alkali-resistant industry construction system, pure water system, and drainage system of general use (fishery irrigation, agricultural irrigation and air conditioning system etc.). Our main products: -Plastic Ball Valve -Stainless Steel Ball Valve -Check Valve, Foot Valve -Double Union Ball Valve -True Union Ball Check Valve -Butterfly Valve -Pipe fittings We are pleased to provide the highest quality, competitive price and best service for you.