G series vs. U series laser Marking Machines – Full Comparison & Material Solutions

G Series Laser Marking Machine is mainly used for metal materials and dark cable jackets, including copper conductors, metal terminals, aluminum parts, black PVC, and dark insulation layers. G series laser achieves high-contrast, wear-resistant and permanent marks with fast speed and low operation cost. It is widely used in automotive cables, power cables, industrial wiring and mass production lines.

U Series Laser Marking Machine is designed for heat-sensitive and colored materials, such as silicone, Teflon, TPU, transparent cables, colored jackets and thin insulation layers. U series marking causes no yellowing, no damage and high precision, ideal for medical cables, communication cables, high-end electronics and precision wiring.