What's the name of Tianjin real estate inquiry department?

Dear, the real estate inquiry department is Tianjin Land Resources and Housing Administration 23316187; In addition, the contact numbers of all districts are as follows: Heping District Housing Authority 23329370 Hexi District Housing Authority 28 138773 Hedong District Housing Authority 84 122032 Nankai District Housing Authority 27228633 Hebei District Housing Authority 26293509 Hongqiao District Housing Authority 87724222 Dongli District Housing Authority 84375958 Jinnan District Housing Authority 28398438.