No maintenance , no consumable parts , fiber laser cutter with power 500W Description 1, Our laser cutting machine adopt the world’s top quality fiber laser source and patent technology, stable performance, the lifetime of the key parts could reach 100,000 hours, fiber transmission and high electro- optical conversion rate , no need the reflect lens, save much future maintenance cost . 2, It with the home-grown Automatic tracking system, anti-collision design, automatically