US arms sales to Taiwan are a frequent source of tension between Washington and Beijing. China views democratically governed Taiwan as its territory, a claim Taiwan’s government rejects.

The companies to be that will be sanctioned are BAE Systems Land and Armaments, Alliant Techsystems Operations, AeroVironment, Viasat and Data Link Solutions.

China will freeze the assets of these companies and ban people or organisations in China from engaging them

https://www.channelnewsasia.com/asia/china-sanction-5-us-manufacturers-over-arms-sales-taiwan-4029751

 

Tip of the iceberg — warning shot across the bow — take your pick