CNC Plate Drilling Machine, CNC Drilling and Milling Machine, CNC 3-D Drilling Machine manufacturer / supplier in China, offering CNC Drilling Machine for H-Beam, Be-0612, Web Size: 1250mm, Spindle Speed 30-3000rpm, Bt40, in Building and Bridge Steel Structure, CNC Tree Dimensional Drilling Machine for H-Beam, Be-0612, Web Size: 1250mm, Spindle Speed 30-3000rpm, Bt40, in Building and Bridge Steel Structure, High Speed 3D CNC Tree Dimensional Drilling Machine for H-Beam, Be-0612, Web Size: 1250mm, Spindle Speed 30-3000rpm, in Building and Bridge Steel Structure and so on.