Gansu Lixinyuan Microsilica Co., Ltd. ¨C A professional manufacturer with great influence in Microsilica, it has been certified on ISO 9001:2008 quality system . Lixinyuan built up its own producing and processing factory in Ningxia, Neimeng Province, which has already been large- scale. The main product is microsilica (or silica fume). We can offer microsilica with different components, at different grades and for different functions. The monthly output is more than 4,000mts.