... laser power devicesContinuous work for 24 hours1,Aplication material:stainless steel,steel plate,iron plate and other metal and alloy;2,Super ... advertising word industry,special king-size light path,arbitrary rotation for 360,higher flexible range;4,No protuberant welding spot on ... of polishing and burnishing,saving working time,graceful and steady for the structure;5,No noise and no pollution6,Option ...