Luoyang Ruowen Trading Co., Ltd is professional in exploiting, producing and selling microsilica (silica fume ), we built our own producing and processing bases in Gansu, Neimeng, Anhui and Sichuan province, our monthly output is more than 3000tons. RW Micro-silica has a high content of SiO2, and each content target is outstanding with stable quality. It is widely applied to concrete, water conservancy and hydropower, marine anticorrosion construction and refractory material professing, road, bridge and special cement, chemical industry, electron and other industries. Relying on many years of a good reputation and good service, we have many customers from at home and abroad. We have established long-term and steady business relationship with them. RW Micro-silica products are not only selling well in China, but also exported to the United States, , Australia,south east area, middle-east area and other countries and regions around the world. RW company is willing to take a sincere attitude and enjoy cooperation with you. We are looking forward to establishing relationships with you in the near future.