Last Friday, Mexico said it had suspended the country's first high-speed railway project indefinitely as part of actions taken to cut this year's budget.

Zhi said, "China will continue to enhance the legal effect and details of investment protection agreements signed with various countries.

"It will offer more reports on the risks and financial barriers in overseas countries to Chinese companies to help their overseas expansion."

Demand for upgraded rail systems continues to rise in Eastern Europe, South America and Africa.

Luo Renjian, a researcher at the Institute of Transportation Research under the National Development and Reform Commission, said business opportunities are also likely to increase from new trading routes.

This follows China's ongoing promotion of the Silk Road Economic Belt and the 21st Century Maritime Silk Road, Luo said.