The U.S. Justice Department unsealed two indictments on Monday afternoon accusing China's Huawei Technologies of violating U.S. sanctions against Iran and stealing trade secrets, Reuters and the Wall St. Journal reported.

The move complicates China-U.S. trade talks that are set to resume this week.

The company's CFO Meng Wanzhou, who's also the daughter of the company's founder, was arrested in Canada last month at the request of the U.S. on charges she misled authorities about its business in Iran in order to get around the sanctions. The U.S is seeking to extradite her to face charges in the U.S. 

The indictments against Huawei, several of its subsidiaries and its CFO accuse it of bank and wire fraud, obstruction of justice and conspiring to steal trade secrets from U.S. telecom T-Mobile U.S. (TMUS - Get Report) , according to Reuters. 

Huawei is the world's largest telecommunications equipment firm and second-largest maker of cell phones. Last year, the Trump administration signed a law banning U.S. government agencies from using Huawei technology, and the U.S. is trying to get other countries to enact similar bans on the grounds that Huawei could use its equipment for espionage. Polish authorities recently arrested a Huawei executive and accused him of spying for China.

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