Sentiment towards renminbi-denominated assets has changed, as the currency becomes more widely used, and global investors look forward to greater access to China's capital market, said analysts.

China's railway authority has proposed a Silk Road high-speed railway connecting the country's northwest region to West Asia via Central Asia, a plan it said would overcome the cross-border connectivity problem of different rail standards.

China is likely to invest more than $1 trillion overseas in the next five years, Premier Li Keqiang said.

Experts say Russia will be the next gold mine for China's technology companies.

Western sanctions on Russia will not affect its financial cooperation with China, said Pan Gongsheng, deputy governor of People's Bank of China, at a press conference on Friday.

The People's Bank of China (PBOC), China's central bank, has signed a currency swap agreement worth 150 billion yuan ($24.4 billion) with the Russian central bank.