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Coal mines that fail to abide by the regulation will not receive approval to increase their production capacity. Those that do not meet its requirements in 2021 will be closed, the administration said.

Common interests and the need for cooperation between China and the US far outweigh differences, Guo said at a news conference.

Comprehensively promoting the rule of law is one of the "Four Comprehensives"－a strategic blueprint drawn up by Xi to create paths to realize the national rejuvenation. The other three are comprehensively building a moderately well-off society; comprehensively deepening reforms; and comprehensively promoting stricter governance of the Party.

Coal has long been burned for heating in northern China, but it is blamed for smog in winter. Hebei vowed in September last year to ban bulk coal consumption in 18 counties adjacent to Beijing by the end of this year.

Companies can extend service life of aircraft and better meet market demands byconverting passenger airplanes to freighters. GAMECO and Boeing launched the first 737-800BCF production line work in Guangzhou last year amid the growing need in the air cargo market. The novelcoronavirusepidemic this year has further increased the demand for freighters carrying vital medical supplies and equipment, and also has pushed airlines to shift more of their business to air cargo, Boeing said.