Researchers suggest the use of cinnabar had a religious, decorative, or medical function.
The discovery marks the earliest known physical evidence of fire-making technology discovered in China to date.
Experts at Sotheby's verified the plate is from around 1775.
During the call, the two officials discussed regional developments and efforts made with regard to them.
The findings show that China's porcelain 'dual formula' technology can be traced back to the earlier Western Xia Dynasty.
The fossil has been named Jeholia longchengi after its discovery site in the Jehol Biota of Longcheng District in Liaoning Province.
The findings are the latest evidence indicating the existence of this hypothesized ocean, called Deuteronilus, roughly 3.5 to 4 billion years ago on Mars.
China completed its deepest borehole to date, the Shenditake 1, located in the Tarim Basin within the Taklamakan Desert of Xinjiang, reaching a depth of 10,910 meters.
The sites include Wuwangdun Tomb, Xiatang Neolithic site, Dadong Paleolithic site, Siwa site, Zhouyuan site, and Jingdezhen ceramic sites across various Chinese provinces.
As South Africa strengthens ties with Iran, China, and Russia while challenging Israel at the ICJ, experts examine whether ideology or pragmatism is driving Pretoria's controversial diplomatic moves.