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China has been Russia's top trade partner for eight consecutive years, and Russia is China's largest source of oil and electric power imports and one of China's major coal import sources, according to Zhang Hanhui, assistant foreign minister and former ambassador to Kazakhstan.
China has been making great efforts to strengthen international exchanges on technology over the past years. So far, it has established relations with 160 countries on technological cooperation and has signed 114 intergovernmental cooperative agreements and 346 talent exchange agreements.
China has established a complete emergency management system for production safety, with 85 national teams covering mining, hazardous chemicals, oil and gas extraction and tunnel construction, Sun said.
China had more than 1.24 million EV charging piles by the end of 2019 including 531,000 public charging piles and 712,000 private ones. The number is expected to reach 5 million by the end of this year with the ratio of charging piles to EVs at the time seen as one to one.
China had more than 79 million rural teenagers with access to the internet by the end of 2015, according to the China Internet Network Information Center. Many of them are so-called left behind children whose parents are away working in better-paying jobs in big cities.
来源：资阳报