Hans Laser Technology Co., Ltd. Manufactures Keyboard Laser Marker for Keyboard Manufacturing. Hans Laser Technology Co., Ltd offers a range of laser product series, including laser markers, laser cutters, laser welders, laser sub-surface engravers, and so on. They are widely applied in various industries. Keyboard Laser Marker for Keyboard Manufacturing is designed for a special purpose of keyboard manufacturing. These have High-speed scanners, fast marking time for each typical keyboard within 10 seconds. It is a stable system and capable of working continuously for 24 hours.