Application on Material: It is widely applied on large-sized work-piece or inconvenient-moving work-piece. Such as: frame, engine, fuel pipe, etc., Application Scope: It can be applied on various fields such as automobiles, motorcycle, mechanism, steel, petroleum, spaceflight, home-electronic devices, etc., Main Technical capability 1)Marking scope: 60mm¡Á50mm / 125mm¡Á16mm , 2)150mm¡Á100mm / 130mm¡Á80mm (optional); 3)Marking speed: 1~4 characters or numbers (within3mm height) / per second 4)Marking depth: 0.01-1.00mm; 5)It can mark any graph / characters at will and easy to adjust size; 6)It can mark production series number automatically; 7)Controlling mode: communication between operator and computer; 8)Marking format: arc-shape, line-shape.