Wholesale and retail: Pre-packaged foods and bulk foods; Sale: agricultural and animal husbandry products, feed, Mechanical and electrical products, Mechanical equipment, steel, Hardware and Electrical, Building Materials, Decorative materials, auto parts, Agricultural machinery accessories, furniture, Door, rubber products, Wires and cables, Plumbing and building materials, plastic products, medical devices, ceramic products, computer、 Software and auxiliary equipment, glass products, Instruments, Clothing, shoes and hats, office supplies, Knitwear, Stationery and sports supplies, Daily necessities, Metal materials, Mineral Products, Home appliances, Electronics( Except for second-hand mobile phones); Business information consulting services; Enterprise management consulting services, Import and export of goods and technology。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)