... machine-aluminium alloy Standard marking scope:300mm*300mm(optical) Marking depth: 3mm Min. Character: 0.3m laser cutting machine-aluminium alloyFeatuer ... distortion,perfect design effect,easy to cut metal,alloy steelcontrolled by computer,easy to operateApplication:YAG laser ... such as stainless steel,carbon steel,alloy steel,spring steel,copper plate,aluminium plate,other metal plates and ...