Manufacturing of metal materials; sales of metal materials; manufacturing of metal structures; sales of metal structures; metal forming machine tool manufacturing; special equipment manufacturing (excluding licensed professional equipment manufacturing); metal processing machinery manufacturing; mechanical equipment sales; mechanical equipment research and development; non-metallic mineral material forming machinery manufacturing; building materials sales; hardware product retail; synthetic material sales; building decoration material sales; industrial engineering design services; chemical product sales (excluding licensed professional equipment) Chemical products); import and export of goods; sales of photovoltaic equipment and components; rental of photovoltaic power generation equipment; sales of mechanical and electrical equipment; manufacturing of photovoltaic equipment and components; solar power generation technical services; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; battery sales; battery spare parts sales; new energy prime mover equipment sales; electronic components and electromechanical component equipment sales; new energy vehicle electrical accessories sales; electronic components Retail of parts; sales of metal tools; wholesale of auto parts; retail of auto parts; retail of motorcycles and spare parts; retail of daily household appliances; sales of daily necessities; sales of pneumatic and electric tools; sales of communication equipment; sales of electronic products; sales of industrial robots; sales of mobile terminal equipment; sales of labor protection supplies; sales of intelligent power transmission and distribution and control equipment; sales of lighting appliances; sales of optical instruments; sales of special equipment; sales of furniture; sales of furniture spare parts Sales; sales of daily necessities; sales of daily miscellaneous goods; wholesale of daily necessities; sales of knitted textiles; sales of household appliances; sales of molds; wholesale of hardware products; sales of assistive bicycles, scooters and spare parts; sales of audio equipment; sales of special chemical products (excluding hazardous chemicals); low-temperature warehousing (excluding hazardous chemicals and other items requiring license approval); sales of plastic products; sales of new film materials; sales of solar thermal utilization equipment; sales of metal ores. Licensed projects: power generation business, power transmission business, power supply (distribution) business.