Special equipment manufacturing (excluding licensed special equipment manufacturing); special equipment repair; general equipment manufacturing (excluding special equipment manufacturing); general equipment repair; general parts manufacturing; mechanical parts and components processing; metal structure manufacturing; agricultural machinery manufacturing; CNC machine tool manufacturing; forging and powder metallurgy product manufacturing; auto parts and accessories manufacturing; industrial robot manufacturing; generator and generator set manufacturing; transformer, rectifier and inductor manufacturing; capacitor and supporting equipment manufacturing; electronic component manufacturing; power distribution switchgear equipment manufacturing; optoelectronic device manufacturing; power electronic component manufacturing; photovoltaic equipment and component manufacturing; mechanical and electrical equipment manufacturing; electrical equipment repair; integrated circuit design; integrated circuit manufacturing; intelligent instrument and meter manufacturing; industrial automatic control system device manufacturing; centralized fast charging stations; software development; mechanical equipment sales; agricultural machinery sales; CNC machine tool sales; mechanical parts and components sales; lubricating oil sales; petroleum product sales (excluding hazardous chemicals); special equipment sales; forging and powder metallurgy product sales; metal structure sales; renewable resource sales; automobile sales; industrial robot sales; generator and generator set sales; capacitor and supporting equipment sales; power distribution switchgear equipment sales; optoelectronic device sales; power electronic component sales; photovoltaic equipment and component sales; mechanical and electrical equipment sales; integrated circuit sales; industrial automatic control system device sales; battery sales; battery parts sales; charging pile sales; information technology consulting services; technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; technology import and export; goods import and export; production scrap metal recycling; general mechanical equipment installation services; leasing services (excluding licensed leasing services); non-residential real estate leasing; residential real estate leasing. Licensed items: special equipment design; special equipment manufacturing; special equipment installation, modification and repair; construction labor subcontracting; road motor vehicle production.