China picks up more U.S. short term bills less long term bonds

Although China has purchased the long term Treasury bonds, in last few months they like more the treasury bills.

It`s considered that China fears

1. The inflation would come in America.
2. U.S.dollar less valued.
3. After the world economy shrinked,Chinese government`s foreign reserve have decreased.
4. for a rapid growth in domestic market, they needs the commodities related deserve(particularly in gold). -related articles

source-The New York Times ,