Nanchuan Minerals Group of Chongqing, China has an integrated operation in mining (bauxite), fusion manufacturing (brown fused alumina) and processing (barite, calcined bauxite, flint clay, kaolin, and investment casting sands). Distributed products include silicon carbide, Liaoning magnesites, graphite, wollastonite, high alumina cement, olivine, fused silica and vermiculite.