Beryllium is a rare light metal and an important strategic metal. It has the characteristics of low density, large neutron scattering area, and high specific stiffness. The main products include beryllium beads, beryllium powder, beryllium rods, beryllium blocks, beryllium windows, beryllium profiles, etc., used In the fields of nuclear reactors, nuclear weapons, nuclear physics devices, space telescopes, medical detection beryllium windows, etc.