At the gold extraction plant of the Ryabinovy production complex, the third contact vat for pre-cyanidation was launched, which allowed to increase the cyanidation and sorption time at the plant by 12 hours and maintain the maximum level of gold recovery at 90%. In addition, thanks to the installation of the third vat, the plant's productivity from next year will increase by 6.25% to 1.7 million tons of ore per year.