Food sales; Sale: aquatic products, agricultural and sideline products, office supplies, office equipment, Stationery and educational supplies, Paper and paper products, ceramic products, Bathroom fixtures, lamps, Wood products, Chemical raw materials( Except for hazardous chemicals), medical devices, food additives, plastic products, plastic products, Plastic raw materials, plastic film, General machinery, Food Machinery, clothing, Toy, apparel, Shoes and hats, leather products, glass products, Daily necessities, stainless steel products, kitchen supplies, Hardware and Electrical, mold, Metal materials, Mineral Products, Electronics, electrical appliances, cosmetic, textile;Business Consulting, Enterprise Management Consulting, Network technology services and consulting, Application software development, Installation and maintenance of communication equipment; Import and export of goods, Technology import and export。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)