Sanyuan Silicon Materials Co., Ltd. Is a professional manufacturer, which is specialized in R&D and producing a series of microsilica(silica *). We are in a strong position to suppply microsilica(silica *)at different grades with different usages. The Company has been granted with the independent right to import & export, and it has been certified by the ISO 9001:2000 of International Quality and Management System Certification. We have built the production and processing factories in Gansu, Ningxia, Inner Mongolia and Qinghai in China, the major areas of Chinese silicon and ferrous products. Our annual output is more than 50,000tons. We export to more than twenty countries such as America, Japan, Korea, Australia, U.A.E., Germany, etc. Domestic major projects are Qinghai-Tibet Railway, Yangtze Gorges project, South-to-North Water Transfer Project, and multinomial large hydroelectric power station, etc.