The main body adopts a split structure design, which is highly integrated and occupies a small area; 400mm * 400mm * 400mm net forming size, with multi-laser cooperation to achieve mass and efficient production of parts: "permanent" long-term circulating filtration system design, with a service life of more than 3w + hours. At present, C400M equipment has been widely used in various industries such as aviation, automobile manufacturing, 3C mold manufacturing, and new energy.