New material technology promotion services; research and development of bio-based material polymerization technology; sales of graphene materials; sales of graphite and carbon products; manufacturing of non-metallic mineral material molding machinery; manufacturing of high-performance fibers and composite materials; manufacturing of electronic components; manufacturing of household appliances; manufacturing of new energy prime mover equipment; research and development of high-efficiency and energy-saving technologies in the power industry; technical services, technology development, technical consultation, technical exchange, and technology transfer Rental and technology promotion; manufacturing of non-metallic mineral products; sales of special electronic equipment; manufacturing of power electronic components; sales of power electronic components; wholesale of hardware products; retail of hardware products; sales of household appliances; sales of instruments and meters; sales of wires and cables; sales of building decoration materials; sales of distribution switch control equipment; sales of intelligent power transmission and distribution and control equipment; sales of building waterproofing membrane products; lightweight Sales of building materials; sales of building materials; manufacturing of intelligent basic manufacturing equipment; sales of wearable smart devices; sales of industrial control computers and systems; sales of metal products; import and export of goods; import and export of technology; wholesale of auto parts and accessories; retail of auto parts and accessories; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; wholesale of electronic components; retail of electronic components; sales of mechanical parts and components sales; sales of metal materials; purchase of primary agricultural products; sales of packaging materials and products; catering management; sales of agricultural and sideline products; sales of cereals; sales of beans and potatoes; sales of livestock (excluding dogs); sales of livestock and fishery feed; retail of edible agricultural products; wholesale of edible agricultural products; wholesale of fresh fruits; retail of fresh fruits; wholesale of fresh vegetables; retail of fresh vegetables; wholesale of fresh eggs; primary processing of edible agricultural products. Licensed projects: heating services; food sales.