This 3D fiber laser metal marking and engraving machine adopts 3D dynamic focusing technology, which can automatically adjust the laser focus on curved, arc and irregular metal surfaces, ensuring uniform marking depth and clear effect. It solves the problem of unclear marking on curved surfaces by traditional 2D machines, and is suitable for curved hardware, auto parts, molds and special-shaped parts marking. The equipment has high precision, stable performance and strong adaptability, widely used in high-end manufacturing industries, improving product quality and appearance.