Group 1 - The U.S. government has lifted the ban on the sale of jet engine parts and technology to Chinese buyers, which is expected to boost China's domestic aircraft production and expand its international market presence [1] - The agreement allows COMAC to import parts from a joint venture invested by General Electric, specifically for the C919 and C909 aircraft, facilitating the fulfillment of hundreds of narrow-body C919 orders [1] - The recovery of engine supply is crucial for COMAC, as the C919 and C909 rely heavily on General Electric's engines [1] Group 2 - Despite the dependency on U.S. companies, General Electric also relies on the Chinese market, with 28% of its aviation business revenue coming from China [2] - General Electric has placed an order for 20 C919 aircraft, indicating its investment in the Chinese aviation market [2] - China is pursuing the long-term strategic goal of developing its own backup engine, the CJ-1000, which is not directly influenced by changes in U.S. trade policy [2] - The first C919 aircraft entered commercial operation in 2023, and COMAC is seeking certification from the European Union Aviation Safety Agency, which would enhance global recognition of the C919 [2]

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]