Beam Drilling Line, CNC Angle Line, H Beam Machine manufacturer / supplier in China, offering Awt2525 Perfect Quality CNC Drilling and Milling Machine for Tube Sheet, Baffles and Flange Awt2525 Spindle Speed 20-3000rpm Bt50, Big Size Gantry Steel Plate CNC Drilling Machine High Speed for Flange Tube Sheet Condenser Boiler Bridge Industry, High Speed Gantry Movable Plate Tube Sheet Flange CNC Drilling Machine with Bt40 Spindle 3000-10000mm Length and so on.