Beam Drilling Line, CNC Angle Line, H Beam Machine manufacturer / supplier in China, offering Awt1616 High Speed Steel Plates Flanges Tube Sheets CNC Drilling Milling Tapping Machine for 1600*1600 Size Bt50 Spindle 80mm Hole Size, High Speed Gantry Movable Plate Tube Sheet Flange CNC Drilling Machine, Working Table: 600*600mm, Bt40, CNC Steel Ball Drilling Holes End Milling Tapping Machine for Steel Structure and so on.