... nano-titanium),99.99 germanium(molecular germanium),99.87 magnetic (permanent magnet) into the entire chain on the ... content in blood, improve immunity and so on.magnetic field can increase anion in our body, adjust ... titanium, and double of steel, so it won’t be scratched, and it's hardness is closed ... resistance .It's brightness looks like mirror, won't fade. Also Tungsten steels are tough, hard, and ...