The concave and convex molds used in automobile dies, as the core components of car body manufacturing, are designed with reinforced structures ensuring stability and durability during the stamping process. The precise stamping capabilities of these molds lead to high accuracy in the formation of body parts, resulting in consistent and sleek contour lines and providing solid assurance to shape excellent body quality. The car body parts produced using concave and convex molds not only have a beautiful appearance, but also exhibit outstanding performance, significantly enhancing the quality and competitiveness of the whole vehicle.