BEIJING — China's balance of outbound direct investment (ODI) had exceeded $2.3 trillion by the end of 2020, double the figure from the end of 2015, data from the Ministry of Commerce (MOC) showed.

In 2020, China's ODI remained relatively stable at 132.9 billion dollars with an optimized structure, the ministry said during a press conference on Jan 29.

China's non-financial direct investment in countries along the Belt and Road reached $17.79 billion last year, up 18.3 percent, the data showed.

Key industries including equipment manufacturing and information technology saw rapid increases in investment from China, MOC data showed.