Gelonghui, September 12, 丨 Steel Research Gaona (300034.SZ) said at an investor relations event that the main fields of the Steel Research and Gaona market are aviation, aerospace, gas engines, metallurgy, petrochemicals, and building materials. Among them, military products such as aerospace engines account for a slightly higher proportion than civilian products such as metallurgy and petrochemical building materials. With the recovery of overseas markets related to the Middle East, demand for furnace tubes in the metallurgical and petrochemical sector at home and abroad will continue to increase, and contract amounts in the petrochemical sector will increase dramatically.