GA series aluminum alloy 3C cutting tools, suitable for processing 6 series 7 series and magnesium alloy special cutting tools, special treatment of the cutting edge and polishing process, arc relief angle design to enhance tool rigidity, spring protection tungsten steel special grade, beating every control Within 3μ, for mobile phone shells and laptop shells and die-cast aluminum, aluminum alloy thickening is particularly advantageous, increasing service life and reducing knife costs!