The registration address of dong chonghwan environmental technology ltd. Is located in room 601 at no. 3 no. 50, gao jing square, gao jing town, dong chong city, guangdong province. The registration authority is the market supervision authority of dong jing city, represented by legal persons in lu bei tien, and operates in the areas of research and development, production and distribution: environmental materials, chemical products (without hazardous chemicals), general mechanical equipment, processing, research and development, and technology transfer of hardware products. (projects subject to legal approval to operate with the approval of the relevant department)