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China has built more than 200 digital and intelligent factories, and had become the biggest intelligent manufacturing market in the world, said a report released at the World Intelligent Manufacturing Summit held in October in Jiangsu province.

China formally launched its national carbon market, the biggest carbon-trading market worldwide, in December, setting up a carbon price on the country's largest greenhouse-gas emitters as a policy tool that will encourage enterprises to lower carbon emissions.

China considers financial safety a top priority amid efforts to strengthen the developing commercial endowment insurance sector and boost related regulation in this area, a senior official with China's top insurance regulatory body said on Friday.

China currently has 15 hydrogen refueling stations with a hydrogenation capacity below 200 kilograms, and the reason for the infrastructure facilities lagging behind, according to insiders, is the high investment cost and the current limited demand for hydrogen.

China has been simplifying applications for domestic and international cargo air routes to enhance the country's airfreight capacity and boost its global competitiveness, according to the country's top aviation regulator on Wednesday.