In May of 2019, the U.S. Commerce Department placed Chinese manufacturer Huawei on the Entity List for security purposes. This prevents Huawei from accessing its U.S. supply chain to purchase software and hardware. Exactly one year later, the U.S. made things even tougher for Huawei by requiring any foundry using U.S. based technology to obtain a license before shipping product to Huawei.
TSMC gets a license allowing it to ship chips to Huawei; there is a major caveat
This is a major blow to Huawei because it can no longer receive the 5nm Kirin 9000 chips …