We are a direct Gypsum Mine Company in Hot Springs, South DakotaWe have top quality gypsum with a high 98% + purity22.87% Calcium and 18% sulphateWe service Ag., building, food and pharmaceutical manufacturers.Our goal is to give top quality product at lowest possible pricing to manufacturers. We wish to have great international trade throughout the world.We can provide 1 million ton per year indefinitely...from powder to granules / bags to bulk.