This automatic mini portable fiber laser marking machine F20I is a compact and practical metal marking equipment, with a lightweight design, easy to move and install. It adopts automatic operation mode, supporting automatic feeding and marking, which improves work efficiency. The equipment can mark logos, characters, QR codes, patterns and other permanent marks on metal materials such as stainless steel, aluminum and copper, with clear marking effect and fast speed. It has low power consumption, long service life and almost no consumables, suitable for small workshops, on-site marking and personalized customization.