The companies must let American regulators inspect their financial audits, a fight that stretches over 20 years.
It's an attempt to gain leverage over China.
The Trump administration is debating whether to push the New York Stock Exchange to delist tech giants Alibaba and Tencent.
The bill is intended to compel all foreign companies to allow U.S. regulators access to their accounting.
But ZTE will be hit with a $1 billion penalty.