Introduction to the Hefang Street Post Office: The Hefang Street Post Office started in the Ming Dynasty. In the middle of the Hongwu period of the Ming Dynasty, Wushan Post was set up in the north of Qinghefang in Hangzhou. The Qing Dynasty followed the Ming Dynasty in building Wushan Post. After undergoing several changes, it was renovated in 2001 to coordinate with the construction of Qinghefang Historic District.