Import and export of goods; Food marketing (sales of prepackaged food); Daily provisions sales; Clothing and apparel retail; Retail shoes and hats; Fresh fruit retail; Wholesale of fresh vegetables; Retail of fresh vegetables; Sales of agricultural and sideline products; Retail of computer hardware, software and auxiliary equipment; Sales of building materials; Machinery and equipment sales; Instrument and meter sales; Auto parts wholesale; Sales of electronic products; Stationery retail; Wholesale of stationery supplies; Sales of office supplies; Wholesale of hardware products; Management of electric wires and cables; Sales of building decoration materials; Fire fighting equipment sales; Leather sales; Sales of leather products; Sales of rubber products (for projects subject to approval according to law, business activities can only be carried out after approval by relevant departments)