In this file photo taken on Nov. 17, 2009, a bank clerk stacks up renminbi banknotes at a bank in Hefei in central China's Anhui province. China on Friday, Nov. 19, 2010, criticized a U.S. congressional report that called on Washington to do more to force Beijing to increase the value of its currency. (AP Photo)

In this file photo taken on Nov. 17, 2009, a bank clerk stacks up renminbi banknotes at a bank in Hefei in central China's Anhui province. China on Friday, Nov. 19, 2010, criticized a U.S. congressional report that called on Washington to do more to force Beijing to increase the value of its currency. (AP Photo)