Zhongyang Zhang Zishan Coal Mine belongs to Shanxi Sinosteel Coal Company. Zhang Zishan Coal Mine is a merger, reorganization and integration mine formed by the former Shanxi Zhongyang Changhao Coal Industry Co., Ltd., the former Shanxi Datuhe Yonghua Coal Industry Co., Ltd., the former Shanxi Xijing Xinsheng Coal Industry Co., Ltd. and the former Shanxi Yihang Coal Industry Co., Ltd. After integration, the mine field area is 9.430 1 square kilometer, and the main enterprise is Shanxi Zhongyang Iron and Steel Co., Ltd.