Construction of buildings; construction of houses; installation of building insulation; pipeline construction and maintenance; machinery installation, maintenance and repair; decorative painting services; elevator installation and repair; building construction supervision; installation of doors and windows; upholstery repair; drilling of wells

Cladding of metal for construction and building; doors of metal; windows of metal; framework of metal for building; steel structure of buildings; fittings of metal for curtain walls for buildings, namely, alu-alloy extrusion, stainless steel construction steel, aluminum panel, aluminum composite panel; fittings made of the following metal materials for curtain wall building, namely, alu-alloy extrusion, stainless steel construction steel, standard component, aluminum panel, aluminum composite...