The business scope includes general business items: technology development and sales of electronic products, communication equipment, membrane switches, and silicone buttons; Domestic trade; engaged in the import and export of goods and technology; R&D, purchase and sales of plastic products, hardware, mechanical and electrical equipment; sales of Class II medical supplies (including masks, protective clothing, goggles, surgical gowns, disposable gloves, aprons, shoe covers, disinfectants, temperature guns and temperature measuring equipment); sales of Class II medical devices (including import and export); market research (excluding foreign-related investigations); information consulting services (excluding licensed information consulting services); business agency services; business management consulting; Software development. (Except for projects subject to approval in accordance with the law, independently carry out business activities according to law with a business license), the licensed business projects are: the production of electronic products, communication equipment, membrane switches, and silicone buttons; production and processing of plastic products; Machining of machinery. Production and sales of medical isolation goggles and other medical devices.