Japan's Panasonic has said it is scrutinising whether any of its products break US restrictions on trading with Huawei.
Last week, the US put Huawei on a list of companies that American firms cannot trade with unless they have a licence.
The restrictions mark an escalation in US efforts to block Huawei, which it says poses a security risk.
Panasonic caused confusion earlier by appearing to announce that it had suspended business with Huawei.
Panasonic announced in an internal notification that it should suspend transactions with Huawei and its 68 affiliates that were banned by the US government.
But it later said that business operations that were not in breach of US regulations would continue to trade normally with Huawei
BBC
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