The registration address of the shanghai company for environmental science and technology, ltd., is located at no. 1338-1 2810, south road, south bridge, bong-hyun district, shanghai city. The registration body is the market supervision authority of the bong-hyun district. It is represented by a legal person, cai qing, who works in the field of environmental science and technology, technical advice, technical services, technology transfer, specialized construction of environmental construction works, construction of municipal utility works, construction of construction works, environmental equipment, hardware, metal products, plastics, general defence items, wholesale distribution of office supplies, retail sales and rental of own equipment. [projects subject to legal approval may not operate without the approval of the relevant department]