How Gold Bars are Made
Engraving lathe puts marking on a bar with "four nines"- 99,99% pure (State Standard 28058-89) at “The Gulidov Krasnoyarsk Non-Ferrous Metals Plant”. “Four nines” is the highest purity of gold bar which is economic to produce for the investment market.
Image Courtesy: REUTERS
Source: visualrian
0 comments:
Post a Comment