
Heavy Duty Truck Air Spring 6606np01 Vl Truck: 20375227/20427801/20427804/20427805. Self-Produced Cord Fabric: Only company in China with internal mixing workshop to produce cord fabric, controlling cost effectively. Strict Quality Testing: Products undergo burst, fatigue, and air tightness testing before shipment to meet world standards. 30+ Years Experience: Over 30 years history with advanced equipment and mature technology for high production efficiency. 100% Pre-Shipment Inspection: Every product undergoes 100% visual and function inspection before leaving the factory. ISO Certified Manufacturer: Certified under ISO/TS16949 and ISO9001 with 19 QA/QC inspectors ensuring quality. Flexible Customization: Offers full customization from samples or designs, including structure and packaging options. Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods. One Year Warranty: Provides a one-year warranty for the air spring with 24-hour after-sales service support.