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China has made considerable progress in the development of the digital economy and will beef up efforts to develop frontier technologies like operating systems to sharpen its competitiveness, top officials, experts and company executives said on Monday.
China has one of the world's largest coalbed methane reserves, ranking third only after Canada and Russia. The country's average gas content per metric ton of coal is also high.
China has long been the world's largest producer, exporter, manufacturer and consumer of silk. The total amount of raw silk produced in China was nearly 140,000 tons in 2017, according to latest figures available. Meanwhile, processed silk weighs in at around 7,600 tons.
China has more than 9 million left-behind children in rural areas and the number of rural elderly living apart from their offspring is growing rapidly.
China has greatly enhanced its international air freight capacity to maintain the smooth running of the supply chain, according to the country's top civil aviation regulator on Friday.
来源：资阳报