Business scope includes: General items: Jewelry retail; New material technology promotion services; Manufacturing of special equipment for semiconductor devices; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Manufacture of non-metallic mineral products; Sales of non-metallic minerals and products; Import and export of goods; Technology import and export; Jewelry manufacturing; Manufacture of electronic special materials; Semiconductor lighting device sales; Research and development of electronic special materials; Sales of chemical products (excluding licensed chemical products); Software sales; Instrument sales; General merchandise sales; Sales of electronic products; Cosmetics retail; Sales of household appliances; Internet sales (except sales of commodities that require permission) (except for projects that require approval according to law, independently carry out business activities according to law with a business license).