This video explains the main functions and practical uses in a clear, step-by-step format. Join us for an exclusive look inside Guangzhou Tieqi Construction Machinery Company, where we showcase the complete manufacturing process of the CAT 320D2 hydraulic pump. You'll see our advanced 4,000㎡ facility in action — from component layout and precision assembly to rigorous testing and final quality control. Discover how we integrate China's top hydraulic supply chains to deliver high-performance, cost-effective solutions trusted by global mining and construction fleets.