The registered address of tianjin s&t development ltd. Is located in area b of the plant located in the dong li development district of tianjin city, via road no. 19-2. The registration authority is the market supervision authority of dong li district of tianjin city, represented by a legal person, and includes scientific research and technical services (the law, administrative regulations and decisions of the state council prohibiting the operation of projects; general operating projects may be operated on their own initiative; licensed projects may be operated on the basis of approval documents and documents); construction of steel structures; maintenance of electrical and electrical equipment; distribution and retail distribution of hardware, plastics, decoupling materials, cable cables, car parts, metal materials; development, manufacture and manufacture of mechanical and electrical equipment; manufacture, sale of metals; and import and export operations permitted by nationa...