Manufacturing of wires and cables. General items: operation of wires and cables, manufacturing of hardware products, wholesale of hardware products, research and development of hardware products, retail of hardware products, sales of building materials, manufacturing of mechanical and electrical equipment, sales of mechanical and electrical equipment, manufacturing of specialized machinery for electrical engineering, manufacturing of power facility equipment, sales of power transmission, transformation and distribution monitoring and control equipment, manufacturing of rubber products, sales of rubber products, manufacturing of plastic products, sales of plastic products, manufacturing of non-ferrous metal alloys, non-ferrous metal rolling processing, manufacturing of optical fibers, sales of optical fibers, manufacturing of optical cables, sales of optical cables, sales of intelligent power transmission and distribution and control equipment, manufacturing of power distribution switchgear equipment, sales of power distribution switchgear equipment, manufacturing of electrical accessories, sales of electrical accessories, manufacturing of lighting fixtures, sales of lighting fixtures, domestic trade agency, trade brokerage, offshore trade operations, sales agency, social and economic consulting services, road freight transport of ordinary freight vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods), packaging services for transported goods.