Retailing in Huawei mobile phones, tablets, mobile broadband, home internet & media devices and accessories. Retailing in Huawei mobile phones, tablets, mobile broadband, home internet & media devices and accessories. Huawei is the largest telecommunications equipment manufacturer in the world. They created an NB-IoT city-aware network using a “one network, one platform, N applications” construction model utilizing IoT, cloud computing, big data, and other next-generation information and communications technology (ICT).