What is "ukrtatnafta"

Ukrtatnafta is a Ukrainian oil refining company founded in 1994, and it is one of the largest producer of oil products in the country. The company operates the largest oil refinery in the country located in Kremenchuk with a capacity of and several petrol stations. Ukrainian state-owned energy company Naftohaz Ukrainy owns 43.1% of shares in Ukrtatnafta, Tatneft owns 8.6% and the government of Tatarstan owns 28.8%.