The laser marking of red wine glass logo should use 532nm green laser American wine glass customer has purchased 10 RFH532nm green lasers   The wavelength of the green laser is 532nm, and its small wavelength determines that it has high beam quality, small spot size, and can achieve the ultra-fine marking requirements of glass products. Its minimum character can reach 0.02mm.   The 532nm green laser marking developed and produced by RFH can clearly engrave the required text and pattern on the surface of the red wine glass.