Hello, which district is Chaihe 1972 in? Chaihe 1972 is in Baohe District, Hefei City. Chaihe 1972 was formerly Hefei Prison, Anhui Province, and was formerly Hefei Diesel Engine Factory (1972 opened). Hefei Prison was once the largest industrial prison in Anhui Province, and Hefei Diesel Engine Factory was the legal name of Hefei Prison. This is the first cultural and creative park in China transformed from the former prison site. The address is located in Jinzhai Road, Baohe District, Hefei City, with Zheng Da Square and Vientiane City beside the comprehensive shopping plaza.