These articles are all highly relevant the glow efficiency of the wavelength. I believe this information can help you understand the glow efficiency of the wavelength's professional information. If you want to know more, you can contact us at any time, we can provide you with more professional guidance.
With radioactive glow powder, is mixed with radioactive substances in the phosphor, the use of radioactive substances constantly emitting rays to excite the phosphor glow, this type of glow powder glow time is very long, but because of toxic and harmful and environmental pollution, etc., so the appl
