“美国解除对华C919发动机出口禁令”

Group 1 - The U.S. government has notified General Electric Aviation that it can resume exporting jet engines to the Commercial Aircraft Corporation of China (COMAC), indicating a thaw in U.S.-China trade tensions [1][2] - The restored export licenses include the LEAP-1C engine for the COMAC C919 single-aisle passenger aircraft and the CF34 engine for the C909 regional aircraft [2][4] - Other aerospace companies, such as Honeywell Aerospace and Collins Aerospace, also had their export restrictions lifted, allowing them to supply components for the C919 [4][10] Group 2 - The lifting of the export ban was anticipated, reflecting the unpredictable nature of the current U.S. administration and the ongoing trade negotiations between the two countries [1][6] - Despite the lifting of the ban, the domestic production process for the C919 will continue to advance, with a focus on developing domestic engines [8][10] - The Chinese aviation industry has made significant progress in recent years, with domestic systems like flight control and avionics being developed to meet international standards [8][9]