88771340
Jan 23, 2020
Laying services for gas conduits; construction of gas storage tanks; construction of power plants; plumbing; installation of photovoltaic power generation installations; pipeline construction and maintenance; installation of gas chiller-heater; repair and maintenance of gas refrigerators; repair and maintenance of gas water heaters; repair and maintenance of gas water heater for household purposes; heating equipment installation and repair; repair and maintenance of gas alarm; repair and maintenance of gas leakage sensors; installation, maintenance and repair of apparatus for supplying gas; repair and maintenance of chemical processing machines and apparatus; repair of generators; oil and gas drilling; drilling of deep oil or gas wells
Building Construction and Repair