Laser marking machine uses high energy laser which is generated by laser source to Irradiation the material.The surface of the material absorbs laser energy, which causes the surface of the material to gasification , Staining，annealing and melt to form a permanent mark. Fiber laser marking machine is one kind of the laser marking machine use fiber as the source . We have many kinds of fiber laser marking machine,here is three best hot sale type of  the fiber laser marking machine.