Zhonglian Cement is a central enterprise, which belongs to China United Cement Group Co., Ltd. (a subsidiary of China Building Materials Group) and is controlled by SASAC. China United Cement Group Co., Ltd. (hereinafter referred to as China United Cement) is a large central enterprise managed by the State Council State-owned Assets Supervision and Administration Commission, the core enterprise of China Building Materials Group, an important business segment of China National Building Materials Corporation, a H-share listed company in Hong Kong, and a super-large cement group supported by the state.