BEIJING, March 17 (Xinhua) -- China's central bank, the People's Bank of China, said in a circular issued recently that forged notes of US currency, called "super US dollar" have entered China and warned against money laundering.

    In the circular, the bank acknowledged that these forged notes, named "super US dollars" by the US executive department, were very hard to distinguish from the genuine notes.

    The bank asked all the financial agencies to enhance their surveillance of US dollars in daily currency trades and step up anti-money laundering enforcement. Enditem