Truly marvelous! China's high-tech achievements in past five years

China's first domestically-developed large passenger jet, the C919, taxis during its second test flight at Shanghai Pudong International Airport, September 28, 2017. Orders for the C919 reached 730 on September 19 after four customers signed purchase plans with the Commercial Aircraft Corporation of China (COMAC), the Shanghai-based manufacturer of the aircraft. [Photo: IC]