China's treasury bond futures closed mixed on Wednesday with the March 2017 contract closing flat at 100 yuan (about 14.5 U.S. dollars).

The June 2017 contract closed 0.36 percent lower at 98.1 yuan. The September 2017 contract closed 0.32 percent lower at 97.4 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.