MONTAŻ INSTALACJI SANITARNYCH WODNO - KANALIZACYJNYCH I CENTRALNEGO OGRZEWANIA Marcin Jachnik

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

25.21.Z - Production of central heating radiators, steam generators, and boilers

25.53.Z - Mechanical processing of metal parts

33.11.Z - Repair and maintenance of metal products

43.24.Z - Installation of other building systems

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.42.Z - Performing other specialized construction works related to the construction of buildings