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China’s expressways are expected to lengthen from 130,000 kilometers in 2016 to 150,000 km by 2020, he said.

China's service sector has become a new engine for economic growth, accounting for 52 percent of the total GDP, Economic Daily reported Thursday quoting commerce officials.

China, with advanced experience and technology in fields of renewable energy, will set a good example for other developing countries and new economies and help them assume due duties and responsibilities fighting climate change, he said.

China-Africa cooperation is expanding to new areas such as information and communications technology, digital economy and renewable energy. Cooperation such as public-private partnership, invest-build-operate, and investment and financing are developing exponentially.

China's trade volume with the economies of countries and regions involved in the Belt and Road Initiative grew 16.3 percent year-on-year to .3 trillion in 2018, the Ministry of Commerce said on Thursday.