IPQC is the abbreviation of InPut Process Quality Control, which is the quality controller in the process from material production to product final packaging, that is, incoming inspectors and process inspection. Mainly responsible for the inspection of outsourced products and the control inspection of each process in the production process. And issue an inspection report. It is also necessary to understand the basic contents of system audit and prepare audit materials. The automobile industry passed TS 16949, and the non-automobile industry passed ISO9000. During the interview, I will also ask if I can read the product drawings or inspection instructions and use the commonly used measuring tools.