The US government Conducts Criminal investigation into Huawei

News from The Wall Street journal, said the U.S. government is conducting a criminal investigation into huawei technologies co. which suspected of stealing trade secrets.
Huawei is suspected of stealing trade secrets from US partners, including t-mobile which is US apply to test smartphones is named Tappy robort techonology, according to the newspaper.The represents of American justice department  declined to give comment on it.
T-mobile belongs to Deutsche Telecom and the fourth-largest Mobile operator in the United States.