General business items: Technical development and sales of electronic and electrical products, health massage products, plastic and hardware tool products, stationery and sports goods, garden ceramic products, household daily necessities, computers and peripheral products, instruments and meters, wires and cables, etc.; sales of calculators, flashlights, and massagers; import and export of goods and technology. Sales of dust masks, cotton swabs, gloves, protective supplies, and disinfection supplies (excluding items requiring approval before registration as stipulated by laws, administrative regulations, and State Council decisions). Mold manufacturing; mold sales; manufacturing of plastic processing specialized equipment; sales of plastic processing specialized equipment; manufacturing of pumps and vacuum equipment; sales of pumps and vacuum equipment; manufacturing of refrigeration and air conditioning equipment; sales of refrigeration and air conditioning equipment; manufacturing of electronic components; wholesale of electronic components; retail of electronic components; manufacturing of electronic components and electromechanical component equipment; sales of electronic components and electromechanical component equipment; manufacturing of hydraulic power machinery and components; sales of hydraulic power machinery and components; manufacturing of pneumatic power machinery and components; sales of pneumatic power machinery and components; R&D of household appliances; sales of household appliances; sales of textile raw materials and fabrics; textile fabric processing; sales of plastic products; manufacturing of plastic products; retail of hardware products; wholesale of hardware products; manufacturing of plastic packaging boxes and containers; manufacturing of thermal and sound insulation materials; sales of thermal and sound insulation materials; manufacturing of luggage; sales of luggage; manufacturing of metal structures; sales of metal structures; manufacturing of hand carts and animal-drawn vehicles; sales of hand carts and animal-drawn vehicles; sales of electronic products; sales of electronic specialized equipment; sales of electronic core components and equipment; sales of mechanical equipment; sales of mechanical and electrical equipment; sales of electrical equipment; sales of terminal testing equipment; sales of special equipment; sales of testing machines; sales of metal cutting and welding equipment; sales of material handling equipment; sales of household appliance parts; sales of pneumatic and electric tools; sales of power facility equipment; sales of power distribution switchgear equipment; sales of power transmission and distribution monitoring and control equipment; sales of wood-based panels; sales of experimental analytical instruments; sales of machine tool functional parts and accessories; manufacturing of Class I medical devices; sales of Class I medical devices; sales of Class II medical devices; sales of office equipment; manufacturing of hardware products; sales of textiles and knitted goods. Licensed business items: R&D, production, and sales of Class I, II, and III medical devices, protective clothing, surgical knives, scissors and forceps, disinfectants, disinfection tablets, gloves, sheaths, medical cotton swabs, infusion tubes, wound treatment supplies, thermometers, medical masks, meltblown fabric, gauze, ultrasonic instruments, non-absorbable surgical dressings, non-medical masks, needle-punched cotton, non-woven fabrics, fiber cotton, nonwovens, filter materials and equipment, daily chemicals, labor protection supplies, stationery and sports goods, and sanitary products; production of Class I 6826 physical therapy and rehabilitation equipment, calculators, flashlights, and massagers. Production of dust masks, cotton swabs, gloves, protective supplies, and disinfection supplies; manufacturing of Class II medical devices; manufacturing of Class III medical devices; operation of Class III medical devices.