The registered address of tianjin tong vow valves group ltd. Is located at no. 91 anda industrial zone, midang industrial zone, new zong zone of tianjin city. The registration authority is the market supervision authority of the new zone market zone of tianjin city, represented by a legal person, and operates on general projects such as the manufacture of ordinary valves and rotors (excluding special equipment manufacture); the development of valves and rotors; the sale of valves and rotors; and the sale of plastics. (in addition to projects subject to legal authorization, the operation is carried out on an autonomous basis under a legal licence)