2. According to historical records, in the tribal era, after Dayu controlled the water, he divided the world into Hebei, Henan, Yong, Yang, Yan, Xu, Liang, Qing and Jing Jiuzhou, and each state set up state grazing. State pastors all over the country love Dayu very much, and they all paint the famous mountains and rivers, places of interest and historical sites and rare products in this state into atlases and give them to him together with precious bronzes. Dayu cast Jiuding with copper, representing Kyushu, and carved the famous mountains and rivers of each state and the land of victory on the tripod. Cast Jiuding, secure the world and protect the people.
3. Ding is the supreme artifact of China, a symbol of the supremacy of kingship and the unity and prosperity of the country. Xia, Shang and Zhou Dynasties were regarded as national treasures symbolizing state power. According to Left Turn, there is an allusion that Chu Zhuangwang won the Central Plains. During the Warring States period, other countries also recorded the story of Qin Wang's death in the capital of Zhou Dynasty. It can be inferred that Jiuding does exist. But there is no conclusive evidence to prove whether it was cast by Dayu.