Raycus 50W QB Fiber Laser Metal PCB Marking Machine SG7110 Galvo Fast Engraving

20W/30W/50W/60W Raycus /MAX/JPT (optional). 50w choose 70mm 70mm, 110mm 110mm ,200mm 200mm, 300mm 300mm. Smaller Lens more precise marking. 1 Pcs U Disk (USB). Frequency of pulse. Laser power. 2 Pieces Filed lens (Optional).

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