After the liberation, the first by the leading area of Wuwei in Gansu Province, three in Hexi area in 1955 merger, leading to the area of Zhangye, near the West Zone classified.
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- 解放后,最初由甘肃省武威专区领导,1955年河西三专区合并,归张掖专区领导,不久划归定西专区。