What are the application requirements for the quality assurance of branded mobile phones? What exactly does he do?

QA is basically a responsibility that can be divided into three systems ~ 1. Quality management system, that is to say, QC should do a good job in quality inspection of the company's products together! Review and check the documents of quality inspection department! 2. The measurement management system organizes relevant personnel to study and implement national measurement laws, decrees and regulations, as well as the company's program documents, and is responsible for the measurement management and daily supervision of instruments and equipment in the management department, as well as their inspection work. . . . . . . And so on. The environmental management system identifies and evaluates various environmental factors such as the company's production, and summarizes important environmental factors and submits them for approval.

In fact, it is not such a simple job!