The difference between the fund national certificate and the CSI is that the national certificate and the CSI are indices launched by different index companies. The national certificate and the CSI are not indexes, but index series.

As a pioneer and builder of China's index industry, Shenzhen Securities Information Co., Ltd. officially launched the "National Certificate" series of indexes in 2002.

CSI Index Co., Ltd. was established in August, 2005, funded by Shanghai and Shenzhen Stock Exchanges. It is a financial market index provider with the most products, the most comprehensive services and the greatest market influence in China.