Qujialing Management District, Jingmen City. Wusan Farm, namely Qujialing Management Zone, is the largest state-owned farm in Hubei Province. Comrade Li Xiannian personally broke ground while working in Hubei, and started reclamation construction on 1952. Officially named in 1953. Originally belonging to Hubei Agricultural Reclamation Bureau, 200 1 management, Jingmen was established.