1. The production process of electrolytic aluminum: bauxite → alumina → electrolytic aluminum.
2. According to the main component content of aluminum ingots, it can be divided into three categories: high-grade pure aluminum (aluminum content 99.93%-99.999%), industrial high-purity aluminum (aluminum content 99.85%-99.90%), industrial pure aluminum (aluminum content 99.85%-99.90%) 98.0%-99.7%).

3. According to the market product type of aluminum ingots, it can be divided into three categories: one is processed materials, such as plates, strips, foils, tubes, rods, forgings, powders, etc.; the other is cast aluminum alloys, wire rods and cables etc.; one category is various aluminum products in daily life, etc.
