Mining Industry
NANJING GYPSUM MINING CO.,LTD
Profile
Nanjing Gypsum Mining Co.,Ltd,subordinated to Jiangsu Yinmao holding (Group) Co. Ltd, is China's largest gypsum mines, unit of China gypsum industry association and Jiangsu province civilization unit.It is located in the eastern suburbs of Nanjing City, 18 kilometers away from the urban area,so the transportation is very convenient.
The mine was founded in 1970 and put into production in 1984.The annual output of gypsum ore used to 400000 tons but after technical transformation in 2007 , our production capacity expanded to 800000 tons per year. 20 million total assets are invested in the mine that covers an area of 240000 square meters with more than 400 workers.The main product is the anhydrite ore and its reserve reaches 1.1 billion tons which wins the first place for its thick seam good quality.
In the field of anhydrite application and research , our company takes a leading role in domestic market.In the building materials industry area,we succeed in the R&D of processing the anhydrite as the raw material into cement retarder, mineralizer, low alkalinity cement, cementitious materials and AP board and concrete expansion. In the agricultural and sideline areas,the anhydrite is applied to improve soil and cultivate edible fungus as well as feed additives. And in the chemical industry area, we undertake the feasibility study of production line which uses anhydrite to produce sulfuric acid and its byproduct cement.