Suisu, initial s, vowel ui, with tone.

Ning níng, initial n, final ing, two tones.

Sui (Su) Ning County, a county under the jurisdiction of Xuzhou City, Jiangsu Province, is named after the meaning of "Sui water" in the water system. Located in the northwest of Jiangsu Province and the southeast of Xuzhou City, it is an important wing of Xuzhou's "one city and two wings". The northwest and east are bordered by tongshan district of Xuzhou City, Sucheng District of Suqian City and suyu district respectively, Pizhou City in the north, and Sixian County and Lingbi County in the south and west respectively.

Suining county is a pilot county (district) of the national intellectual property strong county project. In 20 18, Suining county ranked 76th among the top 100 counties and cities in China with investment potential and 86th among the top 100 counties and cities in China with scientific and technological innovation.

The historical evolution of Suining county expanded data;

In the second year of Jinxing (12 18), Suining County was established, belonging to Nanjing Road Sizhou. In 792, the county was founded, and its membership changed many times, but the county name remained unchanged.

In the 14th year of Hongwu in the Ming Dynasty (138 1), southern Pizhou 14 was incorporated into Suining County.

1949 10 months later, Suining County was placed under the jurisdiction of Huaiyin Commissioner's Office of Subei Administrative Office;

1953 was placed in Xuzhou Commissioner's Office, Jiangsu Province in May, and in the same year, Shuanggou, Zhangwei, Gupi and Zhangji under the former Pisui County were placed in Suining County.

After 1956, the county territory tends to be stable. The county is about 75 kilometers long from east to west and 55 kilometers wide from north to south, with a total area of 1773 square kilometers.

1March, 1983, the system of city governing counties was implemented, and Suining County was subordinate to Xuzhou City.