2. Science and technology computer field, computer technology consulting service, network technology, network technology, communication engineering, network engineering, computer and electronic technology information, biology and medicine, new chemical materials, optical, mechanical and electrical integration, aerospace and modern transportation equipment, energy and environmental protection, civil nuclear energy technology, and high-tech applications in traditional industries.
3. Commercial daily necessities, knitted textiles, clothing, shoes and hats, costumes, decorations, craft gifts, jade articles, toys, flowers and trees, health care products, cultural and sports goods, computer hardware and software and accessories, packaging materials, office supplies, cultural and office supplies, paper products, cosmetics, furniture, wood, decorative materials, building materials, chemical raw materials and products, printing machinery, sanitary ware, etc. Compressors and accessories, refrigeration equipment, bearings, pipe fittings, valves, metal materials, wires and cables, power tools, electromechanical equipment, instruments and meters, fitness equipment, photographic equipment, telecommunication equipment, communication equipment, audio equipment, audio equipment, electronic products, Wujinjiaodian, medical equipment, jewelry, automobiles, etc.
Four, food and oil products, quick-frozen small packaged food, dairy products, native products, South and North goods, sweets and cakes, drinks, daily spices, flavoring agents, health food, canned rice flour products, vegetable oil, tea, aquatic products, agricultural and sideline products, food additives.