... . 4. More precise beam mode Diode Side-Pump High-precision Laser Marker WH-M300:It’s configured ... for marking on fine metal parts, electronic components, high strength alloys, medical instruments, jewelers and decorations, ... than YAG lamp-pump laser machine, the high precision is what the YAG Lamp-pump laser machine can ... cooling Machine420mm*530mm*770mm Diode Side-Pump High-precision Laser Marker WH-M300