Watch as we walk through the full process, from initial setup to real-world testing. In this video, you'll get an exclusive look inside Songzheng Seals' advanced manufacturing facility, where we produce high-quality excavator seals and repair kits. See our automated production lines, quality control procedures, and specialized processes for creating cylinder seal kits, hydraulic pump seals, and complete vehicle accessories for major brands like Komatsu, Hitachi, and Volvo. Discover how our 15 years of expertise in construction machinery seals translates into reliable solutions for wholesalers, repair plants, and OEM partners worldwide.