Best China mobile company list, In addition to Samsung and Apple, China’s Huawei, Xiaomi, and OnePlus smartphone brands have completely replaced the old mobile phone brands such as Motorola, Nokia, Sony Ericsson, and HTC, but not all of these brands’ handsets are produced by themselves. The factory is responsible for production. They are only responsible for brand operations and sales. Here we recommend China's major smartphone foundry factories and companies.