Aerospace suppliers play down spying row in chase for China riches
![](https://r58b8e.a2cdn1.secureserver.net/wp-content/uploads/2018/02/worldnewsdyil2auoc8za.gif?time=1719291360)
Western suppliers have tightened security precautions at China’s largest air show after U.S. accusations of industrial espionage rather than miss the chance to vie for a slice of the country’s heavy aerospace spending.