The registration address of hubei chang mechanical science and technology ltd. Is located at 48th street road in the city of kyummen, hubei province. The registration authority is the market supervision authority of the city of kyumyama. The legal person is represented by the gyeongshan city market supervision authority, whose activities include the development, sale and technical services of the general mechanical control software; the production, sale, maintenance and maintenance services of general machinery and accessories, electrical machinery and accessories, boilers and accessories; the research and development, marketing and technical services of energy-efficient and environmental products; and the development, installation, commissioning and technical services of the industrial automated control system. (projects subject to legal approval may not operate without the approval of the relevant department)