China Southern Airlines Co. suspended the sale of 10 used Boeing Co. 787-8 Dreamliner aircraft, after Beijing’s escalating trade war with the US put supply of aircraft to the mainland at risk.

The airline, one of the country’s Big Three state-owned carriers, had planned to replace the US-made widebodies with larger, newer planes better suited to China Southern’s long-haul network. That approach was upended by the tariffs imposed by US President Donald Trump and the retaliatory measures put in place by Beijing over this past weekend.