As a leading manufacturer of core components for construction machinery, the company places extremely high demands on the weather resistance, stone-impact resistance, and rust prevention capabilities of the coatings applied to its cab panels. This production line employs a composite process of “pretreatment + electrophoresis/primer + spray painting/powder coating,” aiming to establish an industry-leading benchmark for flexible coating solutions. Through the integration of highly automated auxiliary equipment with the main production line, this operational line has successfully addressed the challenges posed by the complex structures and high coating difficulty of construction machinery body panels, significantly enhancing the market competitiveness of its products.