Few links for those who are downvoting this comment above:
https://www.theregister.co.uk/2015/04/10/us_intel_china_ban/
https://wccftech.com/us-government-bans-intel-nvidia-amd-chi...
https://www.wsj.com/articles/u-s-agencies-block-technology-e...
https://venturebeat.com/2018/11/23/u-s-lobbies-germany-italy...
https://www.engadget.com/2018/08/14/us-defense-huawei-zte-ba...