The crisis facing Huawei and ZTE is deepening. Last week, Huawei’s CFO, Meng Wanzhou – who is also the daughter of the company’s founder – was arrested in Canada, at the behest of the USA. This was a move that dramatically escalated the tensions between China and USA over trade wars and national security claims, which have become heavily centered on 5G. The USA wants to extradite her, as part of its investigation into Huawei’s alleged use of the global banking system to get round US sanctions and export blacklisted items to Iran. That was the same allegation that led to sanctions and fines – and a temporary bar on any access to US components – against ZTE. Then Japan…