Import and export of goods and technology; Carry out import and export of various commodities and technologies to neighboring countries through small-scale border trade, Except for goods and technologies that are restricted for export by the country。 Allowing the operation of scrap steel under border trade、 scrap copper、 scrap aluminum、 waste paper、 Import and export of five types of waste materials such as waste plastics operated by state-approved companies; Sale: Daily necessities, Hardware and Electrical, Electronics, power tools, Home appliances, Mechanical and electrical equipment, communications equipment, Building Materials, Decoration materials, steel, office supplies, Stationery and sports supplies, Packaging materials, Arts and Crafts, fabric, Metal materials, Clothing, shoes and hats, cleaning supplies, cosmetic, Plumbing equipment, Agricultural machinery accessories, plastic, agricultural film, fertilizer( Except nitro compound fertilizer), Micronutrient fertilizer, foliar fertilizer, Agricultural and livestock products, agricultural machinery and equipment, agricultural equipment, agricultural tools,Ground film; Agricultural development, Planting industry, Animal Husbandry, Forestry and Fruit Industry, Agricultural information consulting services, lint, saplings、 Hua Ben、 Fur purchase and sales, Promotion of new agricultural technologies、 Agricultural technology services、 New agricultural development services、 Logistics information consulting, Real estate agency services, Cargo warehousing services, Freight Information Service, Catering culture development, Catering Services, Hotel Management, Venue and House Rental, Parking lot rental。