This research explores an important effort, aiming to give a detailed overview and thorough analysis of how FPT Industrial deals with actual customer complaints. Resolving customer claims involves a multi-faceted process that goes beyond merely finding quick fixes. Instead, it involves the concerted efforts and collaboration of the entire quality team, comprising experts from various departments. This ensures a comprehensive evaluation of the underlying issues, leaving no stone unturned in the pursuit of delivering effective solutions. Ensuring a high level of product quality has become a primary concern for major corporations like FPT Industrial. With their extensive production volumes and the increasing demands of discerning consumers, effectively managing product quality issues has taken center stage.