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China is expected to build a gas storage capacity of about 20 billion cubic meters this year, and at present, the gas storage facilities of the top three oil and gas companies have completed gas injection as planned, to ensure gas supplies during the heating season, the official said.

China is one of the world's largest games market and had 530 million gamers during the period, an increase of 4 percent year-on-year.

China is the world's largest auto market and also the fastest-growing market for new energy vehicles, thanks to the government's preferential policies to boost clean energy use to curb pollution.

China has warned of stringent action against manufacturers who export defective and counterfeit medical products, including confiscation of the illegal income and punishment, to ensure the overall quality of its foreign trade, the General Administration of Customs said on Monday.

China has rich biomass resources, including agricultural and forestry waste, which represents huge potential for large-scale industrial utilization of biomethane. However, despite the abundance in raw materials, China has not been able to make full use of the resources, he said.