With its wide, curved wing, the Strix unmanned aerial vehicle (UAV) looks, at first sight, like an expensive boomerang. In fact, it's a drone that the Italian air force once used for airborne reconnaissance in Afghanistan. It’s made by Alpi Aviation, a northern Italy-based manufacturer whose products also include helicopters and light aircraft. A new ‘secret’ about Alpi has now emerged: It’s become Chinese.  In early September, Italian financial police referred six people â