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Companies must also share information with local traffic management and police departments on the number of registered users, the number of bikes on the road and their distribution and how frequently they are used.

Concerning China-CEE cooperation, Lu said the meeting in Hungary coincides with the fifth anniversary of the establishment of China's cooperation with the 16 CEE countries. During these five years, cooperation between the countries have achieved tangible progress in connectivity, trade, economy, finance, industrial capacity and cultural exchanges.

Compared with traditional chemical sterilization, radiation sterilization is more efficient and environmentally friendly as it doesn't leave any chemical residues, Wang Naiyan, a nuclear physicist at the Chinese Academy of Sciences, told the magazine China Nuclear Industry. It can be used to kill cells that contain the virus, he said.

Combined profits reached 1.35 trillion yuan (5 billion) between January and September, up 21.5 percent year-on-year, while their cumulative business revenue rose 11 percent year-on-year to about 21.1 trillion yuan, about 0.9 percentage point higher than the growth rate of the first half of 2018.

Compared with conventional radiotherapy, proton beams will only release a large percentage of radiation dose when they reach a tumor, which means it will kill the cancer cells while leaving healthy cells intact, according to Zhang.