After receiving external feedback, the company immediately organized an investigation into the types of defects in injection products. The object of the investigation is mainly the light inspection position, whose main job responsibility is to eliminate unqualified injection products. The company internally designs an injection nonconforming product record card for the lamp inspection post to facilitate detailed data statistics on injection nonconforming products. Each lamp inspector needs to fill in this record card during lamp inspection of each batch of products to facilitate data statistics on nonconforming products.