Huawei has had its wings clipped significantly over recent years, partly by various governments barring it from 5G contracts, but also by US sanctions that prevent it sourcing components, services and software from US firms (or those, such as Taiwanese foundry TSMC, that have heavy reliance on US customers). Huawei’s financial performance has been impacted, so far, to a lesser extent than might have been expected – certainly less than ZTE’s was, when the USA imposed sanctions in 2018, pushing the smaller Chinese vendor close to bankruptcy until the restrictions were eased. Huawei has always had a bigger homegrown ecosystem, and greater control over its supply chain, than ZTE, and it said it had amassed huge stockpiles of key components…