China's Bond Connect program continued to see robust trading in March, data released by Bond Connect Co., Ltd. showed.

The monthly trading volume under the program reached 647.8 billion yuan ($101.8 billion), with the average daily turnover at 28.2 billion yuan ($4.43 billion).

The program saw a total of 9,142 trade tickets last month, the data showed.

Chinese government bonds and policy financial bonds were investors' major focus, accounting for 51 percent and 33 percent of monthly trading volume, respectively.

By the end of March, Bond Connect had 3,453 approved investors, according to the data.

The Bond Connect program, launched in July 2017, is a mutual market-access scheme that allows overseas investors to invest in the Chinese mainland's interbank bond market.