China Mobile ended 2018 with 551,000,000 4G NB-IoT connections and expects to add 300,000,000 in 2019. It has covered 99% of the country with NB-IoT and is far ahead of anyone else in the world. 4G will totally dominate telco IoT for many years. IoT in 5G really is a form of the 4G tools. The marketing people are trying to hide that fact.
CM is building an ecosystem that is expanding outside of China. It recently signed a deal with Singtel. The software is from Huawei, which is rapidly building a worldwide cloud.