What are the large cement enterprises in Anhui? Are all necessary.

Anhui Conch Co., Ltd. (with subsidiaries in Ningguo, Wuhu and Tongling Chizhou), Anhui Tiepeng Sealed Cement Co., Ltd. (Chaohu Railway Cement Plant), Anhui Chaodong Cement Co., Ltd., Tongling Shangfeng Cement Co., Ltd. and Anhui Runji Cement Co., Ltd. (Hanshan) are basically these large cement plants! Others are small and medium-sized cement plants!