Gates stepped down from Microsoft's board in 2020 to focus on philanthropic works related to global health, education and climate change.
Palestinian Authority President Abbas will be visiting China for three days following China's offer to help revive peace talks with Israel.
The thousands of meters of drilling began in the oil-rich Xinjiang region last Tuesday after the President of China, Xi Jinping, called in 2021 to advance rapidly the exploration of the deep Earth.
Ukraine's foreign minister told Li on Wednesday that Kyiv would not accept any proposals to end the war that involved losing territory or freezing the conflict.
Several foreign missions in China raised the Ukrainian flag, or displayed its image in posters and lights, following the February 2022 invasion.
Ukrainian officials have long been calling on Beijing to use its influence in Russia to help end the war.
China now appears to be stepping in, a year into the war in Ukraine, sensing that the West is not as unified as it appears.
Xi hass sought to position China as a potential mediator in the conflict but is seen by the West as favoring Russia.
Blinken said China's political and material support for Russia goes against Washington's interests.
"There was a very thorough exchange of views, a serious conversation in the informal part," the Kremlin spokesperson said, referring to Monday's meeting.