Department level. The director level of "Provincial Administration Bureau" is the main hall level, so the director level of Anhui Huaihe Administration Bureau is the main hall level. Anhui Huaihe Administration Bureau (formerly known as Anhui Huaihe Protection Bureau, 199 1 renamed) is an agency of the Provincial Water Resources Department in the Huaihe River Basin, which was formally established on 19 1 with the approval of the Anhui Provincial Committee of the Communist Party of China.