General Projects: Technical Services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Home supplies sales; Daily sales department stores; Sales of Arts and Crafts and ceremonial articles (other than ivory and its products), sales of Refractory goods, sales of household appliances, sales of electronic components and electrical and mechanical components, sales of mechanical and electrical equipment, sales of knitwear and raw materials, sales of Sales of separation and purification equipment for gases and liquids, sales of Environmental monitoring equipment, sales of environmental protection equipment, sales of industrial automation systems, sales of luggage, sales of leather; Chemical products sales (excluding licensed chemical products); Leather products sales; Computer software and hardware and auxiliary equipment wholesale; Metallurgical special equipment sales; Computer software and hardware and auxiliary equipment retail; Sales of specialized chemical products (excluding hazardous chemicals); Sales of electronic products; Sales of metal structures; Internet sales (except sales of commodities requiring permission); Information system integration services; Air pollution prevention and control services; Air Pollution Control; Environmental protection monitoring; Engineering and technology research and test development; Software development; Water pollution control; Goods import and export; Technology import and export. (except for projects subject to approval according to law, the business license shall be used to carry out business activities independently according to law-RRB- permitted projecConstructiontProjectjDesignsign; Construction project supervision; Construction project quality inspection; Construction labor subcontracting; Construction project construction. (for projects subject to approval in accordance with the law, the relevant departments may not start business activities until they have been approved by the relevant departments. The specific business projects shall be subject to the approval documents or permit documents issued by the relevant departments. )