Wholesale and retail: Pre-packaged foods and bulk foods; Sale: Petroleum products, Metal materials, Mineral Products, Mechanical and electrical products, Mechanical equipment, steel, Hardware and Electrical, Building Materials, Decorative materials, Auto Parts, Agricultural machinery products, Wires and cables, Plumbing and building materials, plastic products, medical devices, furniture, Door, rubber products, ceramic products, Computer Software, Hardware and auxiliary equipment, glass products, Instruments, Agricultural and livestock products, feed, Clothing, shoes and hats, Hardware and Electrical, office supplies, Knitted textiles, Stationery and sports supplies, Daily necessities, Home appliances, Electronics( Does not include second-hand mobile phones); Business information consulting services; Enterprise management consulting services; Conference and Exhibition 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)