The business scope includes general items: Sales of electrical instruments and meters; Wholesale of hardware products; Sales of electronic special equipment; Stationery retail; Sales of pneumatic and power tools; Wire and cable business; Sales of mechanical and electrical equipment; Sales of sanitary ware; Sales of electronic components and electromechanical components; Sales of generators and generator sets; Sales of household appliances; Sales of electrical equipment; Sales of daily necessities; Cosmetics wholesale; Sales of rubber products; Retail of hardware products; Sales of pumps and vacuum equipment; Sales of office supplies; Sales of building materials; Sales of metal fittings for construction; Sales of machinery and equipment; Sales of electrical equipment; Sales of pneumatic power machinery and components; Sales of high-quality special steel materials; Fastener sales; Sales of building decoration materials; Security equipment sales; Valve and sales; Pneumatic and power tool manufacturing; Sales of special equipment for environmental protection; Manufacturing of power distribution switch control equipment; Repair of communication equipment; Sales of communication equipment; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Sales of plastic products; Sales of coal and products; Sales of new ceramic materials; Sales of chemical products (excluding licensed chemical products); Sales of metal materials; Sales of metal products; Steel calendering; Metal structure sales; Sales of steel bar products for construction; Manufacturing of building decoration, plumbing pipe parts and other metal products for construction; Sales of enamel products; Sales of building waterproofing membrane products; Sales of special chemical products (excluding hazardous chemicals); Sales of magnetic materials; Non-ferrous metal rolling processing; Sales of forgings and powder metallurgy products; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Processing of metal scrap and chips; Sales of asbestos products; Sales of molding materials for casting; Sales of synthetic materials; Sales of non-metallic minerals and products; Metal ore sales; Sales of daily-use wood products; Sales of cork products; Sales of new energy vehicles; Wholesale of auto parts; Sales of non-electric household appliances; Sales of solar thermal utilization products; Sales of solar thermal power generation equipment; Sales of solar thermal power generation products; Sales of solar thermal utilization equipment; Solar power generation technical services. (Except for projects subject to approval in accordance with the law, independently carry out business activities with a business license in accordance with the law) Licensed projects: Installation, maintenance and testing of power transmission, power supply and power receiving facilities; Road cargo transport (excluding dangerous goods). (For projects subject to approval in accordance with the law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval documents or licenses of relevant departments)