March 29 (SeeNews) - Steel radiator manufacturer Korado Bulgaria [BUL:4KX], part of Czech Republic-based Korado Group, said on Tuesday that its audited net profit in 2021 increased 3.7% to 4.76 million levs ($2.7 million /2.4 million euro) on record revenue and forecast no significant interruptions to its supply chain in the context of the ongoing military conflict in Ukraine.