500W High Speed Fiber Laser Cutting Machine for Metal Lamp Cover 1 6mm max. 2 7 years experience 3 20m/min high speed 4 ... eyeglasses, circuit board, hardware industries etc.Samples: Features:1) High speed, efficient, low-cost, operation safely and functions stable.2) High quality cutting ... enables graphic and text to be instantly designed or processed, flexible and easy operation.5) Laser beams ...