Huawei, Xiaomi, OPPO, vivo and other domestic mobile phone brands, most of the chips currently used are 7nm process, covered by chip manufacturers including Qualcomm, Mediatek, Huawei hisilx, but also Samsung's 8nm. Among them, Samsung's 8-nanometer chip is only used by vivo, and Huawei Hisilicon is also used exclusively by Huawei. Qualcomm and Mediatek are currently the most used chip manufacturers in the mobile phone market, such as Qualcomm Snapdragon 865 and Snapdragon 765 series; Mediatek Tianji 1000 series, 800 series, 720.