China's treasury bond futures closed mixed on Wednesday, with the contract for settlement in June 2016 closing 0.045 percent lower at 100.540 yuan (about 16.43 U.S. dollars).

The September 2016 contract closed 0.070 percent higher at 99.635 yuan. The December 2016 contract closed 0.040 percent higher at 98.970 yuan.

The contracts are agreements to buy or sell treasury bonds at a predetermined price and set date. They allow investors to bet on and profit from the movements in the value of the bonds.

The treasury bond futures were launched at the Shanghai-based China Financial Futures Exchange and started trading on Sept. 6, 2013.