Dainan is a town under the administration of Xinghua City in east-central Jiangsu province, China. It has 4 residential communities and 33 villages under its administration. The town is located in the southeast of Xinghua City, bordering Dongtai to the east and Jiangyan to the south, and has a population of 93,000 living in an area of 108 km². Part of that area is …Dainan is a town under the administration of Xinghua City in east-central Jiangsu province, China. It has 4 residential communities and 33 villages under its administration. The town is located in the southeast of Xinghua City, bordering Dongtai to the east and Jiangyan to the south, and has a population of 93,000 living in an area of 108 km². Part of that area is known as the "cradle of stainless steel" production, and this economic activity gives rise to the nickname "No. 1 Town of Central Jiangsu".