Beijing bearing wall drilling company   

Beijing professional punch, (68640936) engineering drilling, drilling hole, crossing the floor, hit the wall drilling, drilling - diamond drilling marble wall open hole - bearing wall drilling open hole - drilling, Beijing demolition engineering technology Service Corporation to undertake: concrete drilling coring drilling - exploration, etc.. Professional punch, drilling, drilling, detection of bridge floor punching, drilling, drilling, piers of viaduct railway drilling hole, drilling core, equipment installation, drilling, drilling wood plate punching, drilling, drilling depth of highway, railway, deep hole drilling, diamond drilling, drilling, drilling, pavement under room wall body stiletto, air conditioning punch, punch, punch, machine of lampblack of hydropower fire punch, punch, punch, gas hammer wall fenestration, openings, natural gas drilling, drilling
based equipment installation