securities category a shares of the main board of Shanghai stock exchange, which belongs to dongcai cement building materials industry and is listed on Shanghai stock exchange. Founded in 197, huaxin cement Co., Ltd. is known as the cradle of China cement industry, and has made outstanding contributions to national and local economic and social development for more than 11 years. Huaxin cement's enterprise credit rating is AAA, and "Huaxin Fortress" is a well-known trademark in China. Huaxin cement was selected as one of the top ten buildings in Beijing in 195s, the Asian Games Village in Beijing, Gezhouba, Beijing-Zhuhai Expressway, dozens of highway and railway bridges in the middle and lower reaches of the Yangtze River, and the Three Gorges Project which attracted worldwide attention.