The registered address of tianjin changtai environmental science and technology ltd. Is located in room 918 of jianli, wuqing street, wuqing city, tianjin city. The registration authority is the market supervision authority of wuqing district, tianjin city. It is represented by yin jiu ying. It operates in the area of environmental technology development, transfer, consultancy services, instrumentation instruments, electronics, mine machinery equipment, electrical equipment, labour security supplies, office supplies, computers, software and support equipment, metal materials, chemical products (except for dangerous chemicals). (projects subject to legal approval may not operate without the approval of the relevant department)