China's Shandong Airlines makes $4bn Boeing order
China-based Shandong Airlines says it has placed an order for 50 Boeing 737 aircraft, worth over $4bn.
It comes as Boeing prepares to unveil quarterly earnings that are expected to fall short of expectations.
Flightglobal's Greg Waldron explains why there is such demand for the jets, and whether Boeing has recovered from numerous technical problems in recent months.