General projects: Technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; Sales of lighting fixtures; Wholesale of electronic components; Retail of electronic components; Sales of semiconductor lighting devices; Wholesale of hardware products; Retail of hardware products; Sales of arts and crafts and ceremonial items (excluding ivory and its products); Internet sales (except for selling products that require licensing). (Projects that require approval according to law can only be operated with the approval of relevant departments. )