In my opinion Moe meant value as ferro-chrome, which goes for something like $2.30US per kilo, or $2,300 per ton. He mentioned "30%" which presumably is his estimate of how much ferro-chrome would be produced from a given amount of chromite. So, 340 million tons of chromite (estimate of ROF deposits, maybe outdated) would give something like 102 million tons of ferro-chrome.
Call that 100million tons X $2,300 = $230,000,000,000 (if that is the right amount of zeroes). Doesn't reach $600 billion, but certainly more than $60billion. Then again, the 340 million ton figure may be outdated, especially since mine life has been said to extend probably 100 years.
Related to KWG potential revenue, this would be a percentage per ton from the reduction process, from all producers. At a rate of 10million tons/year of chromite, this is 3 million tons/year of ferrochrome. At 10% (wild guess) from the reducer =
$230 (ie 10% of price) X 3,000,000 =$690,000,000 a year revenue from use of the reduction process. Add a profit of ?? on KWG's own production = a somewhat undervalued share price. A share float of 1billion shares should get $0.69 US per share per year from the reduction process on ROF ferro-chrome alone. Of course that is some years from now, but balance that against potential revenue from use of the reduction process elsewhere, and the revenue from KWG's own deposits, and - well, $0.03 shares seem awful cheap.