W are one of the main exporters in China line minerals and raw materials. Your kind notice following products list we abailable would be greatly appreciated. 1. Guizhou Kaolin OreA / B GradeSpecs: Al2O3: 37-44% Fe2O3: 0.-5% / 0.9% maxSiO2: 42-48% maxWhiteness: 85% 80% min2. high whiteness ...