Hanzhong Hantai District Housing Management Bureau Dongguan Housing Management Office. The real estate business is handled by the regional housing management bureau, so the Hantai District Housing Certificate is handled by the Dongguan Housing Management Office of the Hantai District Housing Management Bureau in Hanzhong City. Hantai District, belonging to Hanzhong City, Shaanxi Province, is located in the middle of Hanzhong City, with Hanshui River in the south and Nanzheng County and Mianxian County in the west.