A Boeing 737 MAX passenger airplane arrives at Putuoshan Airport in Zhoushan, east China's Zhejiang Province, Nov. 9, 2018. Boeing's 737 Completion and Delivery Center in Zhoushan, a coastal city in eastern China's Zhejiang Province, will deliver its first plane in the 737 family in December. The newly-completed 737 airplane will be delivered to Air China. (Xinhua)