Biochemical product technology research and development, technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion, import and export of goods, sales of chemical products (excluding licensed chemical products); Special chemical sales; Fertilizer sales (Not including dangerous chemicals); petroleum products (Not including dangerous chemicals); Edible agricultural products retail; Category III non-pharmaceutical precursor chemicals business; Purchase of primary agricultural products (Except for items subject to approval according to law, the company shall independently carry out business activities according to law with its business license); Permitted items: Pesticide retail (Projects that require approval according to law can only be carried out with the approval of relevant departments, and the specific business projects shall be subject to the approval documents or license certificates of the relevant departme