China could be one of the bidders for OAO Yukos Oil Co unit OAO Yuganskneftegaz, if it is sold off to recover back taxes, Interfax news agency reported. Yukos is alleged to owe the equivalent of billions of US dollars in taxes going back several years. Yuganskneftegaz accounts for 60% of Yukos oil output. The only question from China's standpoint is whether foreign companies will be allowed to bid, a Chinese embassy official in Moscow said. In 2002, China National Petroleum Corp withdrew from bidding on energy company AO Slavneft after Russian regulators ruled against foreign state-run companies bidding.