Current location - Plastic Surgery and Aesthetics Network - Jewelry brand - What do the letters and numbers on the platinum ring mean?
What do the letters and numbers on the platinum ring mean?
Hehe, I can tell you that this sign is correct.

PT999 represents the purity of this ring, with platinum content exceeding 99.9%.

It is not clear that EDL should be a manufacturer's code. .

22 and 12 just represent rings. 22 and 12 rings can be measured with professional ring rods. . .