... Low maintenance cost: only 1/10~1/15 of the similar CO2 laser machines and 1/3~1/4 of CNC punching machines.7. Stable ... in laser field.Applicable for advertising signs, sheet metal part, high and low voltage cabinet manufacturing, textile machinery ... automobile, metal craft, spring, electronic part, eyeglasses, circuit board, hardware industries etc. 600w cnc laser cutting machine for metal GTJ1325-YAG ...