Cheng Siwei, former vice-chairman of the Standing Committee and now head of China's green energy drive, said Beijing was dismayed by the Fed's recourse to "credit easing".
"We hope there will be a change in monetary policy as soon as they have positive growth again," he said at the Ambrosetti Workshop, a policy gathering on Lake Como.
"If they keep printing money to buy bonds it will lead to inflation, and after a year or two the dollar will fall hard. Most of our foreign reserves are in US bonds and this is very difficult to change, so we will diversify incremental reserves into euros, yen, and other currencies," he said.
China's reserves are more than – $2 trillion, the world's largest.