The Czech Republic's finance minister has welcomed all bidders for the state-run airline CSA but said the country is not in any concrete talks, a day after Russia's Aeroflot confirmed its interest.

"Every potential bidder (is) good," Miroslav Kalousek said, according to the Hospodarske Noviny newspaper.

"We're now preparing government material on additional steps in the privatisation of the Czech airline and the government will have to decide when and how it sells the company," Kalousek said.

"In any case, we aren't negotiating with anyone concrete," he added.

A week ago, a source close to the sale preparations told Thomson Financial News that Aeroflot had been in talks with CSA. The source said Air France-KLM and Korean Air had also contacted the Czech airline.

Air France denied it was in talks with CSA.

On Oct. 30, Aeroflot managing director Valeri Okulov confirmed the the Russian airline had held talks, but said the Czech government has yet to fix the sale terms.