Changshu specialized drilling services. Drilling Engineering Department: air conditioning, drilling, punching ??? hood, hydropower drilling, fire drilling, gas drilling, gas drilling, foundation installation drilling, road infrastructure installation drilling, heat transformation drilling, tunnel drilling, drilling municipal installation, wall stones door, window diameter (3 cm ----- 25cm molding can be a drilling ultra-deep drilling, drilling depth of two meters) to undertake: all seed size hole project. Note: for walls, slabs, beams, columns and the overall cut openings; water, electricity, ventilation pipes and other equipment installation hole drilling floor air-conditioning piping installation professional contract drilling, firefighting pipeline installation drilling, floor drilling, loading Wall drilling, floor removal, reinforcing load-bearing walls open door window construction engineering, drilling water pipeline installation drilling, pipeline installation drilling water heaters, Yuba drilling, punching range hood, exhaust fan drilling, drilling gas pipeline , water and drilling, floor drain drilling, drilling a variety of toilet, Heating drilling, water drilling, channeling line through the hole in a wall, chimney drilling, but may also be necessary, even row drilling. Project Punch: new open hole concrete load-bearing walls, windows, air conditioning, drilling engineering drilling Beijing Beijing professional punch protective fence wall drilling underground continuous wall drilling; roads, dams, tunnels, bridges and other reinforced concrete drill hole; cement surface electrical, telephone, air conditioning, gas, drainage, fire, health and other drill pipe; drilling and installation of anchor bolts; fixed all types of large cement surface drilling equipment