Request InfoDZD Photonics Co. Ltd.BEIJING, May 26, 2017 — The DZD UV-3 UV Laser from DZD Photonics Co. Ltd. is designed for laser marking and engraving at 355 nm. It uses a purple-light UV laser and can focus on smaller diameters than previous product generations. A minimal heat affected zone is produced without thermal effect or burning. It features high marking speed and efficiency with stable performance, small size and low power consumption. 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