General project: Science and technology promotion and application services; Software development; Information technology consulting services; Data processing services; Data processing and storage support services; Integrated circuit design; Engineering and technical research and experimental development; Sales of electrical equipment; Sales of new energy prime mover equipment; Sales of generators and generator sets; Sales of electrical accessories; Sales of hydraulic power machinery and components; Sales of special equipment for packaging; Sales of household appliances; Sales of molding materials for casting; Hardware products wholesale; Wholesale of clothing and apparel; Sales of chemical products (excluding licensed chemical products); Sales of additive manufacturing equipment; Furniture sales; Furniture spare parts sales; Computer and office equipment maintenance; Leasing of machinery and equipment; Sale of arts and crafts and ceremonial supplies (except ivory and its products); Business training (excluding education training, vocational skills training, etc. Training that requires permission); Educational consulting services (excluding educational and training activities related to licensing approval); Technology intermediary services; Import and export of goods; Sales of calculator equipment; Photocopying and offset printing equipment for sale. (Except for projects that require approval in accordance with the law, business activities are carried out independently according to law with the business license).