... materials. It owns high grade potassium feldspar, Albite (Sodium Feldspar) and granite mines and has a large ... process its minerals. It is able to supply high quality natural ores, coarse powder, dried milled powder, ... high production capability, advanced technological processing, and consistent quality control, Yantai City Huawei Mining Industry Co., Ltd has ... ≤0.5≤0.1517-1968-71 Sodium Feldspar