Beijing professional wall drilling

 A new open hole concrete load-bearing walls, windows, air conditioning, smoke machines, water heaters and other types of reserve drilling, pipe openings and ventilation, fire drill pipe, duct openings, wall removal, floor removal blasting drilling, reinforcement drilling; ￠ 1cm- ￠ 25cm direct drilling, and a variety of sized hole through the wall. 2 road drilling, road, rail, bridge, bridge, playing ventilation holes, water holes, holes of various pipelines, road open trough. 3 caves, tunnels, deep-hole drilling, reinforcement, high dimensional accuracy and accurate construction, no vibration, no noise, no dust, environmental compliance, no damage to surrounding structures need repair, equipment, use small spirit. Beijing professional punch drilling engineering drilling wall air conditioning, drilling, drilling water heater, Yuba drilling, punching range hood, exhaust fan drilling, drilling gas pipelines, water and drilling, drilling floor drain, toilet drilling Heating drilling, drilling pipes, channeling line through the hole in a wall, chimney drilling, professional punch, punch glass, marble drilling, drilling steel, cast iron pipe drilling Engineering dozen rows of holes, professional drilling, engineering drilling rows of holes, diamond cutting ,, lawn drilling, string line hole, played the wall hole, drilling, drilling concrete wall, wall drilling, new open hole concrete load-bearing walls, windows, air conditioning, smoke machines, water heaters and other models of reserve drilling, pipe openings and ventilation, fire drill pipe, duct openings, wall removal, floor removal, and a variety of sized hole through the wall.