Russia, France and China all rejected the preliminary wording of an American resolution because it explicitly gave Mr Bush full authorisation for the use of military force against Iraq.
Russia and China have already rejected key proposals to restrict Iran's access to international financial markets and choke off its importation of refined petroleum products, which domestically are in short supply.
Mr Cui, China's top G-20 negotiator, also firmly rejected a proposal from U.S. Treasury Secretary Timothy Geithner to negotiate targets to narrow current-account gaps and ease global trade imbalances.