Dimetal-300 is a multi-material metal 3D printing equipment developed by Lejia, which can form 1-4 kinds of materials at one time, realizing the one-time processing and forming of multi-material parts, meeting the diversified requirements of material properties of complex parts, and improving the material design space of parts in complex use scenarios and working conditions. Applied in electric power, industrial mold, basic scientific research, aerospace, education and multi-material experiment, etc.