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Discovered in 2014, the Tongtiandong site consists of three main caves and several smaller ones. It is the first Paleolithic cave site found in Xinjiang.

Diao said the negotiations are likely to be long and tough. For years, the civil aviation aircraft market has been a seller's market. The dominant status of the aircraft manufacturer duopoly of Boeing and Airbus has put airlines in a vulnerable position in negotiations.

Ding Lixin, a researcher at the Chinese Academy of Agricultural Sciences in Beijing, said that the new pattern is centered on the domestic economy and aims at better integrating the domestic economy with the global economy. It will not only benefit the Chinese economy but also create more fresh momentum for businesses across the world.

Despite the ongoing challenges, Huawei said it expects to post double-digit growth in its carrier business unit this year, as the Chinese company believes that global investment into 5G will be value-driven, reliable and generate more growth opportunities.

Despite the trend of increasingly shrinking supply from watercourses, however, the demand for the material is on the rise, having increased from 18 billion tons in 2016 to 20 billion tons in 2018, she said.