Huawei Technologies, sanctioned by the US and now having its participation in the UK’s 5G network questioned by the government, looked into raising hundreds of millions of euros in the Schuldschein market two years ago. But concern that buyers would freeze at a groundswell of negative news, whipped up in part from the US, scared the Chinese company off taking the risk. Its increasing isolation in major European countries means it is unlikely to use its capital markets any time soon.