 Meanwhile, the Tong'an Township () was established in Dayasdun of Zepu County on August 27, 2018, its seat ia at Yengavati Village ().Since 1912, Kosrap had been the township of Puli County (present Taxkorgan).In 1950, Taxkorgan Tajik Autonomous County was established, and Kosrap was a township in the 2nd district of Taxkorgan.