Yi Mingang is the general manager of flat-panel products in Huawei's consumer business, and his level should be the head of the first-level department. According to Hong Xu, Huawei's senior pre-sales product manager, Huawei's product managers are divided into three levels: engineer, manager and architect, and each level is further subdivided into different employment systems, specifically: assistant product engineer, product engineer, product manager, senior product manager, senior solution architect, senior solution architect and field.