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"Current flight test of the Mars 2020 Lander Vision System will help enable safe landing in more scientifically interesting places in space, including future human exploration of the Moon and Mars," NASA's Jet Propulsion Laboratory tweeted.

"China's attitude is very clear. The United States must change its attitude, show sincerity and correct its wrong practices if it wants the talks to continue," Gao said.

"China's goal for rare-earth development is to form a new pattern for industry with a reasonable development pace, orderly production quotas, efficient utilization, scientific and technological innovation and coordinated development with high-end manufacturing," said Zhang Rui, an analyst at Beijing Antaike Information Co.

"Chinese mainland A shares on Monday have a chance to reflect the central bank's targeted reserve requirement rate cut during the holiday," said Hong Hao, chief strategist at BOCOM International Ltd.

"China will further digitize the registration and licensing of new companies, and gradually make the process paperless and fully intelligent. By the end of the year, the government will also optimize the process and issue a guide for enterprises to withdraw from the market more easily," Zhang said.