SOGMIP

Heating equipment installation and repair; air conditioning apparatus installation and repair; boiler cleaning and repair; building construction; shipbuilding; electric appliance installation and repair; fire alarm installation and repair; building construction information; repair information in the field of heating and air conditioning equipment; installation of building insulation; damp-proofing buildings; machinery installation, maintenance and repair; painting; freezing equipment installation and repair; burglar alarm installation and repair; underwater repair; underwater construction