Wholesale and retail: vegetables, daily necessities, office supplies, building hardware, needle textiles, plastic products, clothing, shoes and hats, cultural and sports goods, chemical products (excluding dangerous goods), musical instruments, grains, poultry and eggs; Counter rental, interior decoration and decoration (operated with qualifications), mechanical manufacturing, housing agency, real estate leasing; Import and export of goods and technology (excluding projects prohibited by laws and administrative regulations, projects restricted by laws and administrative regulations can only be operated after obtaining permits); Snack shops: steamed stuffed buns, porridge, deep-fried dough sticks; Retail: cigarettes, cigars; Wholesale and retail: prepackaged food, bulk food, dairy products (including infant formula milk powder); General cargo transportation; Production and sales: bean products, noodle products, soy sauce meat products; Planting bean sprouts. (Projects that require approval according to law can only be operated with the approval of relevant departments)