印度客机坠毁242人遇难，波音787机型首起空难！公司股价跳水

Group 1 - The article discusses the resumption of Boeing aircraft deliveries to Chinese airlines after a two-month hiatus due to tariffs imposed during U.S.-China trade tensions [2][5] - A new Boeing 737 MAX aircraft has been delivered from Seattle to China, marking the restart of aircraft deliveries [3][7] - The previous suspension of deliveries was due to a 125% tariff on imported aircraft, which has now been lifted for certain aircraft and parts, allowing airlines to import at lower rates of 5% for narrow-body and 1% for wide-body aircraft [7][8] Group 2 - Several Chinese airlines, including Xiamen Airlines and China Eastern Airlines, are preparing to resume accepting Boeing aircraft, with additional deliveries expected in June [7][8] - Boeing's market in China is significant, with 25% of its new aircraft deliveries going to China at its peak in 2018; the company has delivered 20 aircraft to China this year and plans to deliver 29 more by year-end [8] - The article also highlights the impact of U.S. export restrictions on aircraft engines, particularly affecting the C919 aircraft, which relies on the LEAP-1C engine produced by a joint venture between GE and Safran [10][11] Group 3 - The C919 aircraft program is progressing, with recent deliveries made to Chinese airlines, and the domestic engine, Changjiang-1000A, is undergoing testing [11][13] - The article notes that while the U.S. has imposed restrictions on engine exports, this may accelerate China's efforts to develop its own aviation engines [10][13]