1. For large products and special-shaped products that cannot be moved, the handheld light path is light and easy to operate. 2. Compact, easy to carry, can adapt to the needs of frequent changes in processing sites. 3. Laser power output is stable, laser service life is long, easy to operate, 100,000 hours maintenance free. 4. High electro-optical conversion rate, no pollution, no consumables, and faster user investment return in a short time.