[Zhongzhen Ferrous: The joint-stock company Dabaoshan Company submitted a listing application to the Hong Kong Stock Exchange] On September 23, Zhongzhong Ferrous (600259.SH) announced that the company's joint-stock subsidiary Guangdong Guangsheng Dabaoshan Copper Co., Ltd. (referred to as "Dabaoshan Company") had submitted an application to the Hong Kong Stock Exchange for the initial public offering of overseas listed shares (H shares) and listing on the main board of the Hong Kong Stock Exchange on September 22. Dabaoshan Company is mainly engaged in the exploration, mining, ore processing, comprehensive utilization and sales of copper, sulfur and other polymetallic mineral resources. It owns the largest open-pit mining site in South China and professional copper and sulfur beneficiation supporting facilities. Its core products include copper concentrate, sulfur concentrate and magnetic sulfur concentrate. As of the date of this announcement, the company holds 40% of the shares of Dabaoshan Company.