In August 2021, the second Qinghai-Tibet Plateau scientific expedition led by the Chinese Academy of Sciences conducted a “Scientific Investigation and Prospect Evaluation of Rare and Precious Metals”, a comprehensive field investigation and study, at Yintai Gold's Qinghai Dachaidan Mining.

After the scientific investigation, the scientific expedition team conducted a summary exchange with Yintai Gold's Qinghai Dachaidan Mining Co., Ltd. and the technicians of the First Exploration Institute.

Through the inspection and guidance, the experts used their outstanding professional knowledge and superior technology to give the employees of Yintai Gold a vivid course on prospecting.

The comprehensive scientific investigation of the Qinghai-Tibet Plateau is a national key scientific investigation activity. Launched in 2017, the second comprehensive scientific investigation of the Qinghai-Tibet Plateau is led by the Chinese Academy of Sciences, with participation by relevant research units, institutions of higher learning, and relevant units of the Tibet Autonomous Region. It is preceded by the first comprehensive scientific investigation and research of the Qinghai-Tibet Plateau which was launched in the 1970s and completed after more than two decades of investigation and research by more than 2,000 scientific and technical personnel from more than 50 areas of specialization from relevant domestic departments, under the organization of the Chinese Academy of Sciences.