Construction, reconstruction and capital renovation of engineering networks. This activity of ZAO "Lengazteplostroy Trust" is successfully developing in the following topical directions: 1 Heating networks - diameters of 50-1400 mm. Above ground method: - in the metal and twisted casing with heat insulation based on foam-polyurethane insulation (PPU). - in the metal or polymeric casing based on mineral materials. Underground method: - all kinds of laying - insulated by foam-polyurethane (PPU) with humidity control indicator (ODK) and other materials. 2. Gas pipe lines - low, medium, high pressure of 50-1000 mm inclusive of polyethylene pipes with the diameter from 50 mm up. For residential, public, industrial and agricultural buildings and structures. 3. Oil and gas products pipe lines of all diameters. 4. Water supply and sewerage of all diameters up to 1400 mm: - of steel pipes - of pipes based on polymeric materials - of reinforced concrete and asbestos cement pipes - of cast iron pipes 5. Traffic roads and structures on them 6. Area development at oil fields We have licenses for all the works. We are always open for new interesting offers!