Import and export of goods and technologies (except for goods exclusively operated and controlled); Domestic trade (excluding exclusive, exclusive and controlled goods); Operating e-commerce; Electronic products, electronic components, photographic equipment, household appliances, bicycles, auto parts, mechanical accessories, UAVs, electrical equipment, toys, sporting goods, computer software and hardware, musical instruments, headwear, hats, clothing, shoes, boxes, bags, leather and leather products, glasses (excluding contact lenses), watches, metal products, plastic products, gold products, silver products, platinum products, diamond jewelry Sales of crystal jewelry, jade jewelry, baby products, hardware products, general merchandise (excluding food), sewing daily necessities, lamps, furniture, household accessories, wood decorative materials, ceramic decorative materials, metal decorative materials, kitchen appliances, office equipment, stationery, daily utensils, chemical products (excluding dangerous chemicals), cosmetics, sanitary products, batteries, regulated power supplies, communication equipment, communication equipment.