Qingzhou beihai jun
Sangdu Village, Chunyu County, Ledu County, Ling Ying
"Wei County Records Draft" contains: "Jingdi set up Beihai County and led 26 counties. Yan, Sangdu and Ledu are all in this county. There are both spring rains in this county. "
Eastern Han Dynasty
25 ~ 220 years
Qingzhou beihai jun
Shou Ping county
"Wei County Records Draft" contains: "After the Han Dynasty, it was a province of music and mulberry, but it was peaceful. There are also Ling Ying and Chunyu in this county. The land is the same, turn to the North Sea. "