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Calcined China Bauxite Refractory Grade Materials for Castable Industries with High Al2O3 85% Granular Sizes 3-5mm, Find Details and Price about Bauxite Rotary Kiln Bauxite from Calcined China Bauxite Refractory Grade Materials for Castable Industries with High Al2O3 85% Granular Sizes 3-5mm - Heng Chi Minerals Limited