Dulan County is the lowest-key county in Haixi. Dulan County is located in the southeast of the Chaidamu Basin. It was more than 1,000 years ago, and Dulan was the heavy town on the Qinghai Silk Road on the "Tangyu Ancient Road". From the east of Dulan County, summer ha, to the west to Nuomuhong more than 200 kilometers along the line, thousands of ancient tombs and ancient sites are distributed. To say that the most beautiful place in Dulan, that is the sea of Haisi flowers.