WF Hebei Wenfeng Industrial Co. Corporate Presentation

APPENDIX: BAUXITE IMPORT SPECIFICATIONS The refinery currently imports 15 million tonnes of metallurgical grade bauxite ore in bulk under the following specifications: • Al2O3 (Dry Basis) - 45% basis • SiO2 (Dry Basis) - 3.0% max • CaO (Dry Basis) - 2.5% max Fe2O3 (Dry Basis) - 30% max Ore Size 0-200 mm (Wet Basis) - 99% min Moisture -12% max WF Hebei Wenfeng Industrial Co. | Corporate Presentation 13

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