General Projects: Distribution switch control equipment manufacturing, Sales of distribution switch control equipment, Power electronic components manufacturing, Electronic components wholesale, Electronic components retail, Sales of power electronic components, Electronic component manufacturing, Industrial automatic control system device manufacturing, Sales of industrial automatic control systems, Information system integration services, Hardware wholesale, Hardware product retail, Power facility equipment sales, Power facility equipment manufacturing, Mechanical and electrical equipment manufacturing, Mechanical and electrical equipment sales, Electrical equipment sales, Technology import and export, Import and export agent, Import and export of goods, Construction machinery sales, Sales of steel bars for construction, Concrete structural component manufacturing, Concrete structural component sales, Cement product sales, Cement product manufacturing, Building materials sales, Lightweight building materials sales, Lightweight building material manufacturing, Manufacturing of new building materials( No hazardous chemicals), Firefighting equipment sales, Home appliance sales, Sales of special equipment for plastic processing, Lighting fixture sales, Refractory sales, Sales of special ceramic products, Sales of glass fiber reinforced plastic products, Plastic product sales, Metal structure sales, Paint sales( No hazardous chemicals), Sales of graphite and carbon products, Sales of high-performance sealing materials, Sales of high-quality special steel materials, Sales of high-performance fibers and composite materials, Sales of forgings and powder metallurgy products, Sales of sealing packing, Sales of metal matrix composites and ceramic matrix composites, Non-ferrous metal alloy sales, Sales of new metal functional materials, Sales of high-performance non-ferrous metals and alloy materials, Metal material sales, Sales of building waterproofing membrane products, Sales of building decoration materials, Sales of architectural ceramic products, Sales of thermal and acoustic insulation materials, Seal sales, Pump and vacuum equipment sales, Interior wooden door and window installation service, Enamel product sales, Technical glass sales, Insulation material sales, Lime and gypsum sales, Machinery and equipment sales, Sales of asbestos cement products。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Electrical installation services。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)