Structures of metal, containers of metal for storage and transport, containers of metal for compressed gas or liquid gases, bottles (metal containers) for compressed gas or liquid gases, balls of steel, penstock pipes of metal

Fire-extinguishing apparatus

Plant construction, construction of industrial plants, construction of biogas installations, construction and assembly of gas storage tanks and large-scale tanks, conversion of vehicles to gaseous fuel, vehicle service stations [refuelling and maintenance], maintenance of machines, construction and installation of structures of steel and technological equipment

Transport, storage, transport and storage of trash, filling of bottles and pressure vessels with fuel gases, supply and distribution of fuel gases, distribution and transport of natural gas, transport of stored pressure vessels, arranging the filling of bottles, pressure vessels and the transport of pressure vessels, distribution of energy

Welding, metal treating

Calibration (measuring), quality control, scientific laboratory services, material testing, mechanical research