C8
It is said that after Kangxi (1685), when the "Sanfan" rebellion was pacified, Wu Sangui's clan members were sent to the outside of the city. Seven families moved from the edge of Yunnan to the border, and after many hardships, they settled on a large sand hill on the banks of the Nenjiang River. In order to strengthen the border, the Qing government set up a post station here