Sales and leasing of: cleaning and environmental protection equipment, general industrial equipment, logistics equipment, hydraulic lifting equipment, office equipment and consumables, office supplies, cranes and parts, generator sets and parts, air compressors and parts, forklifts and parts, general machinery, electromechanical products; repair of: cleaning and environmental protection equipment, general industrial equipment, logistics equipment, office equipment and consumables, office supplies, air compressors and parts, general machinery, electromechanical products; maintenance of: special equipment [lifting machinery, special motor vehicles within factories (premises)]; installation, repair, and testing of power supply facilities and receiving facilities; information consulting services (excluding licensed information consulting services).