Product Description: Gypsum is a kind of mineral and the main chemical composition is calcium sulfate.Currently, the problem of chemical resources shortage is more and more serious with the rapid development of industrial civilization; therefore, gypsum dryer is made in order to recycle gypsum. The gypsum dryer produced by Hongrun Machinery Factory is a kind of environmental protection machinery with the high level mechanization which is mainly used in architectural and medical industry. The we