A worker works at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

Workers work at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

A worker works at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

Workers work at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

Workers work at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

Workers work at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

A worker works at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

Workers work at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)

Workers work at the construction site of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project in Tianjin, north China, March 31, 2024. The foundation construction of the largest single building of the 2nd Airbus Tianjin A320 Family Final Assembly Line Project has completed on Sunday. The project, aimed to manufacture both A320 and A321neo aircraft, is expected to enter into service by the end of 2026. (Xinhua/Zhao Zishuo)