Road motor vehicle production; special equipment installation, modification and repair; special equipment design; special equipment manufacturing. General items: technology promotion and application services; mechanical equipment research and development; metal product research and development; industrial design services; power distribution switchgear control equipment research and development; software development; power distribution switchgear control equipment sales; generator and generator set sales; mechanical parts and components sales; container sales; power transmission and distribution and control equipment manufacturing; industrial textile products sales; textile special equipment manufacturing; technical services, technology development, technical consultation, technical exchange, technology transfer, technology promotion; generator and generator set manufacturing; electric motor manufacturing; general-purpose equipment manufacturing (excluding special equipment manufacturing); electrical machinery special equipment manufacturing; power distribution switchgear control equipment manufacturing; steam turbine and auxiliary machinery manufacturing; mechanical parts and components processing; electrical equipment manufacturing; container manufacturing; marine supporting equipment manufacturing; mechanical and electrical equipment manufacturing; transformer, rectifier and inductor manufacturing; pump and vacuum equipment manufacturing; hardware product manufacturing; motor manufacturing; photovoltaic equipment and components manufacturing; electronic components and electromechanical component equipment manufacturing; spray coating processing; motor and its control system research and development; electrical equipment repair; general equipment repair; automotive parts remanufacturing; automotive parts and accessories manufacturing; car sales; motor vehicle repair and maintenance.