Guanyun county junior high school art teaching materials use Su Jiaoban. Su Jiaoban refers to a series of textbooks for primary and secondary schools published by Jiangsu Education Publishing House, referred to as Su Jiaoban, Guanyun County, which belongs to Lianyungang City, Jiangsu Province, and is located in the northeast of Jiangsu Province, bordering the Yellow Sea in the east. It is adjacent to Shuyang County of Suqian City and Donghai County of Lianyungang City in the west. Xinyi River in the south is adjacent to guannan county in Lianyungang City. It borders Haizhou District of Lianyungang City in the north.