Pan tongyu According to the inquiry of guannan county Municipal People's Government, guannan county Post Office was established at 1998 when posts and telecommunications were separated. Pan Tongyu, director of guannan county Postal Administration, said that guannan county will further explore the integration of delivery resources at the township and village levels, so Pan Tongyu became the director of Guannan Post Office. The office address of Guannan Post Office is Renmin West Road, guannan county, Lianyungang City, Jiangsu Province.