General items: Import and export of goods; Import and export of technology; Sales of machinery and equipment; Sales of electronic products; Sales of electrical accessories; Sales of lamps and lanterns; Sales of lighting equipment; Sales of household appliances; Daily necessities wholesale; Daily necessities sales; Wholesale of hats; Retail of shoes and hats; Sales of knitted textiles; Sales of knitted textiles and raw materials; Wholesale of hardware products; Retail of hardware products; Retail of household appliances; Wholesale of arts and crafts and collectibles (except ivory and its products); Arts and crafts and etiquette Sales of supplies (except ivory and its products); Retail of arts and crafts and collectibles (except ivory and its products); Sales of power electronic components; Retail of electronic components; Sales of electronic components and electromechanical components and equipment; Sales of building materials; Construction Sales of decorative materials; Sales of lightweight building materials; Sales of building waterproofing membrane products; Sales of metal materials; Sales of metal structures; Sales of metal packaging containers and materials; Wholesale of auto parts; Retail of auto parts; Sales of auto decoration products; Daily necessities Sales; Retail of computer software and hardware and auxiliary equipment; Sales of household appliances spare parts; Wholesale of computer software, hardware and auxiliary equipment; Sales of clothing accessories; Wholesale of electronic components; Sales of metal products; Sales of synthetic materials; Wire and cable management. (Except for the items that must be approved according to law, the business activities can be carried out independently according to the business license. ) Permitted items: Import and export of artworks. (For projects subject to approval according to law, business activities can only be carried out after the approval of the relevant departments. The specific business projects are subject to the approval documents or licenses of the relevant departments. )