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Boeing forecasts China will require 200 new air cargo freighters and 470 converted freighters over the next 20 years.
Both official and private surveys showed that China's manufacturing sector eased expansion in April.
Boeing also forecast that the nation's wide body fleet will require 1,670 new airplanes over the next 20 years and airlines will continue to shift to small and medium-wide body airplanes for long-haul expansion and flexibility.
Blockchain is the core technology of the next-generation internet with the characteristics of unforgeability, decentralization, openness and transparency, said Chen Xiaohong, an academician of the Chinese Academy of Engineering.
Blue warning for northern China
