Hubei Jingmen Wusan Wujiang Slaked Lime Co., Ltd. was founded in 1992. The fixed capital is 10million yuan. It mainly produces Calcium oxide powder. The transportation here is convenient and it is located in Yijialing, Hanyi Road, Wusan Farm, Jingmen, China and covers an area of more than 100 mus. The number of technologists is 46 and 8 of them have senior titles. The annual out put value is 50 million yuan and the annual tax can be more than 2 million yuan. The enterprise owns rich and great quality lime stone coal resources and it is equipped with three sets of digestion, winnowing equipments whish were designed by Design Institute of China Petrochemical Group Company. The annual out put of great quality calcium oxide can be 4tons and the main content can be more than 97% and the whiteness degree can be more than 90%. The products can be used for petroleum chemical, fined chemical, pharmacy, food, lubricants raw materials and environmental protective industry and so on. The main production of calcium aims to provide raw materials for Jianghan Petroleum Administration, Salts Chemical Factory and the environmental protective materials for Wuhan Group Sewage Disposal.