NTсеров. Serov, Russia

Diamond drilling of reinforced concrete, brick, cinder block.
Drill holes for ventilation, sewage, water, gas, communications and more.
Drill concrete floors, walls, foundations.
Diameter from 32 mm to 132 mm. Possible drilling of big diameters.
Make openings for doors, Windows, etc.
And a valuable.
Sales of fiberglass reinforcement.