A Spar Assembly Line (SAL) machine, which builds spars for wings, is pictured at Boeing's 737 factory in Renton, Washington

A Spar Assembly Line (SAL) machine, which builds spars for wings, is pictured at Boeing’s 737 factory in Renton, Washington

The US increasingly relies on Europe and Japan for advanced production equipment. Photo: Reuters, Jason Redmond

March 28, 2017 1:12 AM (UTC+8)