http://www.xuexgypsum.com/Cheap By-product Gypsum Our History Wuyi Xuexuan Building Material Co,. Ltd is established in 2007, after 15 years steady and repaid development, our company have has 2 factories in Zhejiang and Jiangsu. We are plan to build another factory in Fujian next year. Our Factory We have three 3 production line in our factory, they are 1 vertical raymond mill, 1 ball grinding mill in Zhejiang, and 1 vertical raymond mill in Jiangsu. Our Product Our company is mainly produce fluorine gypsum for our customer. Product Application Fluorine gypsum is mainly used in cement additive and gypsum products. Our Certificate W