Huawei has managed to outdo its major rivals in the telecoms equipment market in recent years, despite being effectively excluded from large contracts in the USA. However, it now faces a bar in Australia too, and Japan is reported to be considering similar moves – and there is always the risk, for both Huawei and ZTE, of a domino effect that will spread to other markets. India introduced restrictions on Chinese (and other) imports a few years ago and could make them more stringent, and while many countries cite security fears when the introduce sanctions on Huawei, there is often a clear dose of protectionism and commercial defensiveness too – which could be mirrored by a tightening of access to…