C661 General Yamen of the Army Surrounding

Sun Steelwork yamen was located on the east side of Forbidden City, close to the lantern market. It used to be the mansion of Grand Scholar Sai Shan, and Liu Steelwork had been expanded to Sun Steelwork yamen for two years, and was always led by Prince Kung Yi.

Qing Dynasty s had the most authority in the Upper study. Yong Zheng changed his position to Military Intelligence Service