航宇科技(688239.SH)：为LEAP-1C的供应商，为其高低压涡轮，燃烧室等关键部位提供环形锻件

Group 1 - The company is a supplier for the LEAP-1C engine, providing critical components such as high and low-pressure turbines and combustion chambers [1] - The company aims to deepen its involvement in the aviation engine supply chain and actively support the domestic large aircraft industry [1]