Rural hukou. According to the inquiry of China Travel Service. Com, Qinghe Farm Management Zone was founded in 1959, located in the southeast of Nanzhang County, bordering Chengguan, Wuzhen and Jiuji, with a total area of 38.6 square kilometers, including 2 1824 mu of cultivated land, 0/2000 mu of woodland, 6,885 mu of water surface and an agricultural population of/kloc-0.