Serve: Import and export of goods and technology, Mining technical consulting; Sale: Agricultural and livestock products, Jewelry and Jade, Construction machinery and equipment, Second and third category electromechanical equipment, Class I medical devices, agricultural machinery and equipment, cosmetic, cleaning supplies, sanitary ware, building materials, steel, Decorative materials, Clothing, shoes and hats, furniture, lint, Communication products, Home appliances、 Stationery and sports supplies; Agricultural product procurement、 Sale; Animal Husbandry, Poultry farming, Aquaculture, Forage cultivation and sales。 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 import and export by the state。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)