R & D and sales of wireless electronic external equipment, intelligent 5g control equipment and auxiliary equipment, electronic and photoelectric components, semiconductor and other functional materials, ultraviolet and infrared system, graphene intelligent wearable equipment, graphene lubrication series products; Biotechnology development; Domestic trade; Import and export of goods and technologies. Production of wireless electronic external equipment, intelligent 5g control equipment and auxiliary equipment, electronic and photoelectric components, semiconductor and other functional materials, ultraviolet and infrared system, graphene intelligent wearable equipment, graphene lubrication series products; Assembly, production and sales of disposable anti bacteria mask, graphene biological mask, labor protection mask, sanitary products and medical devices.