This calcium industry group is a medium-large metallurgical limestone production enterprise of national township enterprises. It is a designated supplier of metallurgical raw materials for medium-large steel enterprises such as Wuhan Iron and Steel, Xinxing Pipe Industry, etc., and has a calcium powder production capacity of 1 million tons per year. ZENITH began to participate in the transformation of the power plant’s desulfurization project in 2010. The owner has successively purchased two ZENITH LM170K vertical roller mill equipment and two MTW175 Raymond mill equipment. So far, the mill equipment have been operating stably and bring considerable economic benefits to owners.