General business items: lock repair and key matching services; locksmith services; automobile sales; automobile spare parts wholesale; automobile spare parts retail; automobile spare parts design services; wholesale of electronic products; retail of electronic products; wholesale of security technology and prevention products; retail trade of goods (except for goods subject to licensing approval); Internet commodity retail and wholesale (except goods subject to licensing approval); commodity information consulting services; technology import and export; mechanical equipment, mechanical parts, automation equipment, Computer software, connectors, terminals, wiring harnesses; sales of computers, software and auxiliary equipment; car rental (excluding passenger and freight); electronic products, auto parts, motorcycles and their spare parts; R&D, manufacturing and sales of automotive electronic equipment; technical consulting, technical services and technology transfer; technology development and sales of security products, communication products, smart home systems, LED applications and lighting; high-tech development; import and export business; domestic freight forwarding. (Except for items prohibited by laws, administrative regulations, and State Council decisions, restricted items must obtain a license before they can be operated) Manufacturing of daily chemical products; sales of daily chemical products; manufacturing of automobile decorative products; sales of automobile decorative products; sales of arts and crafts and ceremonial products (except ivory and its products); sales of toys, animations and entertainment products; wholesale of cosmetics; wholesale of jewelry; marketing planning; advertising design, agency. Licensed business projects: production of electronic products, security products, communication products, smart homes, and LEDs.