The registration address of jiangsu ei-cai-cai-range is at no. 1 of loi-range road, zhang jia-hong city, with the registration authority being the zhang jia-hong city administration and approval board, and is represented by a legal person, and includes technical research and development, technology transfer, technical advice and related technical services in the field of environmental protection; the manufacture, processing and sale of mechanical equipment and spare parts, metal products and materials, mechanical equipment and spare parts, chemical products and raw materials, hardware purchases and hardware; and self-employment and brokering of goods and technologies. (projects subject to legal approval may not operate without the approval of the relevant department)