It can be widely used in automotive body, sheet metal parts, nameplates and other occasions that require beautiful effects, no need for air source, and low noise work, especially suitable for exquisite marking of high-end products such as aluminum, copper, electroplated parts, anodized parts, etc. It is also suitable for printing trademarks, technical parameters, numbers, dates, names, and other content on various product labels, such as stainless steel, copper, aluminum and other metal labels, PVC plastic, adhesive, leather and other special labels. The printing marks are concave characters, characterized by standardized fonts, neat arrangement, accuracy, beautiful appearance, regularity, and elegant grade. The entire label is printed without deformation, which is conducive to installation. The handwriting is corrosion-resistant and wear-resistant, and the handwriting is durable and reliable.