Tungsten heavy alloys are usually consisted of W-Ni- Fe or W-Ni- Cu or even W-Ni-Cu-Fe, some tungsten alloy is added Co¡¢Mo¡¢Cr, etc. It could be made as many shapes. Tungsten alloy ring are usually used as the parts of tungsten alloy industry. Especially, it could be widely made as jewelry because of its wearing resistance.