Power distribution switchgear equipment manufacturing; power distribution switchgear equipment sales; transformer, rectifier and inductor manufacturing; electrical equipment repair; electrical equipment sales; hardware product retail; general mechanical equipment installation services; electronic component manufacturing; power electronic component manufacturing; power electronic component sales; electronic component wholesale; metal structure sales; metal structure manufacturing; wire and cable operation; cement product sales; display device sales; building material sales; synthetic material sales; synthetic material manufacturing (excluding hazardous chemicals); pump and vacuum equipment sales; coating sales (excluding hazardous chemicals); daily-use chemical product sales; building waterproofing membrane product sales; daily-use glass product sales; electrical signal equipment device sales; chemical product sales (excluding licensed chemical products); construction steel bar product sales; steel rolling processing; specialized chemical product sales (excluding hazardous chemicals); mechanical and electrical equipment sales; electrical accessory sales; lighting fixture sales; gas compression machinery sales; capacitor and its supporting equipment sales; capacitor and its supporting equipment manufacturing; fan and blower sales; power facility equipment sales; power facility equipment manufacturing; plastic product manufacturing; plastic product sales; generator and generator set sales; refrigeration and air conditioning equipment sales; valve and cock sales; electronic specialized equipment sales; door and window sales; sanitary ware sales; rubber product sales; construction metal accessory sales; non-ferrous metal alloy sales; electronic product sales; metal material manufacturing; metal material sales; specialized ceramic product sales; mechanical equipment sales; industrial automatic control system device sales; intelligent power transmission and distribution and control equipment sales; charging pile sales; electronic component retail; landscaping engineering construction; earthwork engineering construction; labor services (excluding labor dispatch); mechanical equipment leasing; road freight transport for vehicles with total mass 4.5 tons and below (excluding network freight and dangerous goods); hardware product manufacturing; renewable resource recycling (excluding production scrap metal); mechanical and electrical equipment manufacturing. Permitted projects: road freight transport (excluding dangerous goods); residential interior decoration; construction engineering construction.