Detailed Description  1.) Our Company's Advantages: -Advanced Detecting Instrument: Laser Doroppler Displacement Meter --Perfect Processing Machine: Germany & Italy imported high-technical  equipment ---Abundant Production Experience 2.) Technical Specifications: Ideal drilling machine for steel construction Simultaneously drilling on three sides of H-beams 7 CNC axes Direct transform of CAD/CAM Max.size of H-beams(web height x flange width)(mm):1250 x 600 Max.drilling diameter(mm):Φ33.5