In Zai Zhi Tian Xia, Han Gang's position in Hedong.

In Zai Zhi Tian Xia, Han Gang's position in Hedong was as follows: Han Gang was an important politician and reformist in Korean history. He was born in the middle of the 3rd century B.C. in a noble family in Yangzhai, Korea (now Yuzhou City, Henan Province). Later, he was exiled to Hedong (now Liulin County, Shanxi Province) after opposing the Korean King Imjin Japanese Rebellion. During his time in Hedong, Han Gang became the local chief executive and began his extensive influence in Korean politics, economy, and culture. During his tenure in Hedong, Han Gang actively implemented reform measures to strengthen local administration and economic development. He reformed Korea's administrative divisions and established Hedong Prefecture, merging Yangzhai, Pingling, and Hedong into Hedong Prefecture to make regional management more coordinated. He also vigorously developed agriculture and handicraft industry, promoted modern agricultural techniques such as iron plowing and cattle ploughing, and promoted the development of the local economy. At the same time, Han Gang was also a cultural celebrity. He liked reading and respected cultural education. He established Hedong Confucianism and became an important figure in the history of Korean culture. In general, Han Gang promoted the development of Korean politics, economy, and culture during his tenure in Hedong and became an outstanding politician and reformist in Korean history.