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China Petroleum and Chemical Corp is one of China's largest producers of hydrogen, producing over 3 million metric tons last year, mostly made from fossil fuels or produced as a by-product of its refining and chemical operations. For example, Sinopec's Shanghai hydrogen refueling stations are supplied by purified by-product hydrogen from the Gaoqiao petrochemical facility based in the city.

China Yongda Automobiles Service Holdings, which specializes in automobile sales services, financing and rentals made great progress in used car sector last year.

China State Shipbuilding Corp's major assets were in southern parts of China while those of China Shipbuilding Industry Corp were mainly in the nation's northern regions.

China and Vietnam, as close neighbors and emerging economies, should keep to the general direction of bilateral relations, meet each other half way and create a good atmosphere for the 70th anniversary of the establishment of diplomatic ties, Premier Li said.

China added 13.14 million jobs in 2016, and the registered urban jobless rate stood at 4.02 percent at the end of the year.