2. According to the main component content of aluminum ingot, it can be divided into three categories: high-grade pure aluminum (aluminum content 99.93%-99.999%), industrial high-grade aluminum (aluminum content 99.85%-99.90%) and industrial pure aluminum (aluminum content 98.0%-99.7%).

3. According to the market product types of aluminum ingots, they can be divided into three categories: one is processed materials, such as plates, strips, foils, tubes, bars, forgings, powders, etc. One is casting aluminum alloy, wire cable, etc. First, all kinds of aluminum products in daily life.