Licensed items: operation of hazardous chemicals; Import and export of goods; Technology import and export (for projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and the specific business projects shall be subject to the approval results) General project: biotechnology product technology research and development; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Engineering and technology research and experimental development; Sales of new catalytic materials and additives; Wholesale of other chemical products; Instrumentation wholesale (except for items subject to approval according to law, independently carry out business activities according to law with business licenses)