This project focused on finding the solutions for tiny flaws that appeared on auto M due to the production process. The core problem was discovering the root cause of tiny flaws and proposing on how to solve them. Brainstorming, data collection and analysis, measurement and material test, Gage R&R project and other methods were used to look for the root causes. During the project, the defect of production was confirmed. With the root cause defined, the quality of auto M improved and the problem solved observably
