CNC Wire Cutting EDM DK7740B accurate easy operate linear guide rail ... of the machine tool bed, coordinate worktable, wire drive device, wire support, operation liquid system, electric parts and ... shape.On the bed, there are worktable, wire drive device, wire support and floodlight.2 Coordinate worktable: The ... according to the mixture ratio.DK7740B CNC Wire Cutting EDM CNC Wire Cutting EDM DK7740B