Хөнгөн цагааны хүдрийн нунтаг нунтаглах
Introduction to Aluminum ore Aluminum ore can be economically extracted a natural aluminum ore, bauxite is the most important one. Alumina bauxite is also known as bauxite, the main component is alumina oxide which is hydrated alumina containing impurities, is an earthy mineral; white or gray, s...