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China's practices in curbing air pollution could be valuable for countries in Africa that are dealing with the issue, as more measures to protect the continent's environment are considered, a top UN scientist said.

China's technology exports stood at billion in 2013, less than half that of technology imports. After years of growth, the country's technology exports amounted to .1 billion in 2019, almost equal to the value of technology imports, according to ministry data.

China’s reform and opening-up drive has won support from the international community, and in the meantime, global peace and development have benefitted from China’s growth, Ruan said.

China, the world's largest importer of crude oil and gas, imported 440 million tons of crude oil in 2018, a year-on-year increase of 11 percent, with its foreign oil dependency ratio reaching 69.8 percent. This reliance is expected to grow this year, according to data released by the National Energy Administration.

China-Europe freight train services will be given a more prominent role, with operators encouraged to increase the frequency of trains and expand the coverage of services, it added.