Watch as we walk through the full process, from initial setup to real-world testing of the Hitachi Excavator Hydraulic Pump Coupling Flange. In this video, you'll see how SY-LIGHTING, a professional LED lighting manufacturer since 2007, applies its expertise in precision manufacturing and quality assurance to produce reliable hydraulic components. Learn about the engineering standards, production capabilities, and testing procedures that ensure this coupling flange meets international requirements for durability and performance in demanding excavator applications.