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Analysts also said that the low prices of China's exports have failed to reflect the real value of the precious resource.

Analysts believe China, with an annual production capacity of more than 25 million metric tons currently as well as a huge hydrogen market demand due to the booming growth of new energy vehicles, has substantial potential in developing hydrogen energy, and China's development of hydrogen industry is also in accordance with the international strategy on energy transmission.

Analysts said Didi's active performance in recent months also indicated that it may be preparing to go public in the near future, though the company said it did not have any such plans yet.

Angel Saz-Carranza, director of the ESADE Center for Global Economy and Geopolitics, said the growing threat of protectionism in recent times has made open and collaborative China-EU relations more important. He urged the two governments to work on establishing further clarity in investment rules.

And Equatorial Guinea, which had a total of 1,360 confirmed cases per every 1 million residents, could offer nucleic tests for only 200 people a day when the Chinese experts arrived in late May.