The Commercial Aircraft Corporation of China (COMAC) completed assembly of the forward fuselage section of the C919 jet airliner in May 2014. The twin engined C919 jetliner is expected to make its first flight in 2015, followed by entry into service in 2016. It can seat up to 180 passengers, can carry 20 tons of cargo and has a 4,750km range. The front fuselage has more than 1,600 parts, and is built with a large of amount of 3D printed titanium, composite and lithium aluminum parts. COMAC has already attached the C919's wings to the midsection of the fuselage. In addition, 10 percent of the C919's weight is from titanium alloys.