Who can tell me how many fire brigades there are in Xuzhou?

Secret Service Brigade, Yunlong District Public Security Fire Brigade, Jiuli District Public Security Fire Brigade, Economic Development Zone Public Security Fire Brigade, jiawang district Public Security Fire Brigade, Gulou District Public Security Fire Brigade, Chengnan Public Security Fire Brigade, quanshan district Public Security Fire Brigade, xinyi city Public Security Fire Brigade, Pizhou Public Security Fire Brigade, Suining County Public Security Fire Brigade, Tongshan County Public Security Fire Brigade, Fengxian Public Security Fire Brigade, Peixian Public Security Fire Brigade 14 Fire Brigade.