This video demonstrates the advanced manufacturing process and quality control systems at Songzheng Seals (Guangzhou) Co., Ltd. You'll see how this 15-year specialist in construction machinery seals produces high-quality excavator seal kits, cylinder seals, and hydraulic components for major brands like Komatsu, Hitachi, and Volvo. We walk through their automated production facility, showcasing their innovative R&D processes and complete after-sales service system that serves wholesalers, agents, and repair plants worldwide.