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MRJ-FL” series mini homemade portable fiber laser marking machine design with the ultra- high speed servo precision scanning galvanometer system and self-developed control software. It is the high- tech products that integrate laser technology, precision machinery, electronic, computer and other disciplines. It is widely apply to electronics, computer, watches, hardware, many kinds of tools and other industries, and mark on the surface of many kinds of metal material ( stainless steel, high speed steel, alloy steel, iron, aluminum and aluminum alloy, etc ) and parts of non-metallic materials ( ABS, PC etc). The characteristics are large output power, small size, high precision, high speed, good stability, non-pollution, low noise, less consumption, material consumption etc. The control software is Chinese WINDOWS interface and easy to operate.