Canadian company Nortel used to be a major manufacturer in telecommunications equipment until their downfall in the early 2000's with allegation's of corporate espionage coupled with being hacked.

A former security advisor had this to say about the events that happend:

> Shields alleged that the hacking may have benefited Chinese competitors such as Huawei. While unable to offer conclusive proof Shields stated that "When 2000 came along, then it was a downward slide. And that coincidentally is the year when Huawei started selling on the international market. How coincidental." - Nortel Wikipedia

20 years later the Government of Canada turned down a major deal for a 5G network built by Huawei due to national security concerns.