Engaging in technology development, technical consultation, technical service, technology transfer, e-commerce (not engaged in financial business) in the field of computer science and technology, Edible agricultural products, mineral products, petroleum products, chemical raw materials and products (except hazardous chemicals, monitoring chemicals, civil explosives, precursor chemicals), metal materials and products, mechanical and electrical equipment, hardware and electrical, wire and cable, paper products, wood, wood products, bamboo products, glass products, ceramic products, leather products, plastic products, rubber products, steel, building materials, Sales of automobiles and spare parts, machinery and equipment and their parts and components, arts and crafts (except ivory and its products), jewelry and jewelry, general merchandise, office supplies, electronic products, feed, third-party logistics services, import and export of goods or technologies (except import and export of goods and technologies prohibited by the State or involving administrative approval), medical equipment business. [For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments]