Implementation of construction and general contracting of buildings (repair, demolition and restoration), road works, water and sanitation work, electrical, mechanical and electronic work, industrial work, dam works, well drilling, marine works, gardening, site organization, maintenance of residential and commercial buildings, maintenance and operation of water and sanitation works, maintenance and operation of electrical and mechanical works And electronic, maintenance and operation of industrial works, city cleanliness and waste disposal, landfills, backfilling, garden and park maintenance, maintenance of medical centers and dams, maintenance and operation of marine works