China telecom giants threaten US: Congress panel

"Based on available classified and unclassified information, Huawei and ZTE cannot be trusted to be free of foreign state influence and thus pose a security threat to the United States and to our systems," the draft document said.

Both Huawei and ZTE have denied any ties with the Chinese government. Top executives of the firms appeared at a hearing held by the panel last month, stressing that they were focused on business, not politics.

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