Beijing, March 4 -- China decided on Tuesday to add 10 U.S. firms, including TCOM, Limited Partnership, to the country's unreliable entity list and take corresponding measures against them.

From Tuesday onward, China will prohibit these companies from engaging in import and export activities related to China, and these companies will also be banned from making new investments within the country, according to a statement released by the Ministry of Commerce.

The 10 U.S. firms are TCOM, Limited Partnership, Stick Rudder Enterprises LLC, Teledyne Brown Engineering, Inc., Huntington Ingalls Industries Inc., S3 AeroDefense, Cubic Corporation, TextOre, ACT1 Federal, Exovera and Planate Management Group.

The decision was made to maintain Ch...