The registered address of tianjin-chou-chou-chou experimental instrument ltd. Is located at no. 5 cao-cheng dynasty, wuqing district, tianjin city. The registration authority is the market supervision authority for wuqing district, tianjin city. The scope of the operation includes general projects: manufacturing of experimental analytical instruments; manufacturing of test mechanisms; manufacturing of instrument instruments; manufacture of general equipment (other than special equipment); manufacturing of special instrument instruments for environmental monitoring; monitoring and detection of pollutants in water quality and of instrumentation; manufacturing of electronic instrumentation; manufacturing of transport equipment and production metering instruments; manufacturing of mechanical and electrical equipment; manufacturing of electrical and electrical equipment; manufacturing of electrical equipment; manufacturing of electrical equipment; manufacturing of electrical equipment; manufacturing of electrical equipment; manufacturing of electrical equipment; manufacturing of cable and cable equipment; manufacture of special measuring or inspection equipment for railways; manufacturing of special equipment for daily chemical works; manufacture of metallurgy equipment; manufacture of hydraulic machinery and components; consultancy services for the manufacture of special equipment for the repair and repair of the internet; construction of electrical and electrical equipment; development of electrical equipment. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)