Employees cast gold bars of the highest standard of 99.99 percent purity at The Gulidov Krasnoyarsk Non-Ferrous Metals Plant (Krastsvetmet) in Krasnoyarsk, Russia. Krastsvetmet is the largest company in the world that refines all platinum group metals (platinum, palladium, rhodium, iridium, ruthenium, osmium), as well as gold and silver.