China does not lend money to the United States. China buys U.S. Treasury bonds. -gt;Government bond
That thing is the U.S. Treasury bill, which is generally used for trading. Not only China. Japan Wait, other countries have also bought a lot. The transaction value is floating. Just like you speculate on Treasury bonds!
Current Treasury bond prices:
U.S. Treasuries
COUPON MATURITY PRICE/YIELD PRICE/YIELD CHANGE TIME
3-Month 0.000 01/20/2011 0.12 / .12 -0.01 / -.010 12:04
6-Month 0.000 04 /21/2011 0.17 / .17 0 / -.000 12:00
12-Month 0.000 10/20/2011 0.21 / .21 0.002 / .002 12:00
2-Year 0.375 09/30/2012 100-01? / .35 -0-00 / .008 12:00
3-Year 0.500 10/15/2013 99-30 / .52 -0 -00 / .005 12:08
5-Year 1.250 09/30/2015 100-20 / 1.12 -0-03? / .023 12:08
7-Year 1.875 09/30/2017 100-14 / 1.81 -0-05? / .026 12:09
10-Year 2.625 08/15/2020 101-00? / 2.51 -0-08 / . 029 12:09
30-Year 3.875 08/15/2040 99-15 / 3.90 -0-08 / .014 12:09