High Speed 20W 30W 50W Name Necklace Metal Jewelry Ring Engraving Machine Desktop Raycus Fiber Laser Marking Machine Price.And It is widely used in electronic components, hardware, electrical industry, daily consumer goods, sensors, auto parts, 3C electronics, crafts, precision apparatuses, gifts and ornaments, medical equipment, high-low-voltage appliances, bathroom accessories, battery industry, IT industry, etc.