On November 19, according to Gelonghui, Shangda Co., Ltd. (301522.SZ) stated on the investor interaction platform that the company's products have covered the military aviation engine models required by the main third and fourth generation fighter jets in China. They are mainly used in the manufacturing of engine casings, turbine discs, compressor discs, blades, combustion chambers, fasteners, and other components; they can also be used for solid rocket engine casings, liquid rocket engine hot-end components, rocket balancing rudder shafts, and other structural components, as well as the manufacturing of other high-temperature, high-strength key components related to rockets and missiles.
上大股份(301522.SZ)：产品已覆盖当前我国主要三代、四代战机所需的军用航空发动机型号
Shangda Co., Ltd. (301522.SZ): The products have covered the military aviation engine models required for the current main third and fourth generation fighter jets in China.
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