Huawei has denied that it has any links to the Chinese government. Huawei's cyber-security chief John Suffolk told MPs on Monday that the tech giant had never been asked by China or any other government to "do anything untoward".
Mr Suffolk said Huawei welcomed outsiders to analyse its products and detect engineering or coding flaws. "We stand naked in front of the world, but we would prefer to do that, because it enables us to improve our products." He added: "We want people to find things, whether they find one or one thousand, we don't care. We are not embarrassed by what people find."