The U.S. Federal Communications Commission(FCC) voted 4-0 on Wendsday to moved toward barring China Unicom (Hong Kong) Ltd. and ComNet from the U.S..

The FCC calls the Chinese telecommunications carriers a security risk controlled by the Beijing government. China Unicom is one of the 3 top telcos of China. ComNet is a subsidiary of Pacific Networks Corp..

The action continues a security crackdown that earlier touched Chinese gear makers Huawei Technologies Co. and ZTE Corp. In 2019, the FCC barred China Mobile Ltd. from the U.S. market over national security concerns.