The alumina grinding mill production line of Guikaung learned from the Internet that as of June 7, the complete cost of alumina in China was about 2,653 yuan/ton, and the profit was about 270 yuan/ton, which was 80 yuan/ton lower than that at the end of April, but it was still beneficial Put into production. The supply side of alumina has high elasticity, the capacity utilization rate is maintained at about 80%, the potential production capacity is high, the response to changes in the profit margin of the industry is quick, and the price slope can be quickly repaired. The alumina profit tends to rise, and the market prospect is good.