Aerial photo taken on Dec. 17, 2020 shows the headquarters building of BRICS New Development Bank (NDB) in east China's Shanghai. [Photo/Xinhua]

More overseas institutional investors entered China's bond market as the country opened up its bond market wider to the world.

Last month, five new overseas institutional investors entered China's interbank bond market, bringing the total number to 1,102, according to the China Central Depository & Clearing Co. (CCDC).

At the end of July, the total amount of bonds owned by overseas institutions under the depository of the CCDC stood at 2.89 trillion yuan (about 401.27 billion U.S. dollars), the CCDC said.

In breakdown, overseas holdings of treasury bonds reached 2.1 trillion yuan, accounting for 72.81 percent of the total, while holdings of policy bank bonds stood at about 707.9 billion yuan.