Our heavy duty parabolic leaf spring is specially engineered for semi trailer heavy duty truck and commercial vehicle suspension system. It is constructed with premium 60Si2Mn alloy spring steel as raw material which features high tensile strength strong toughness and outstanding anti-fatigue performance compared with ordinary multi-leaf leaf spring. The unique small quantity parabolic curved structure effectively lowers the overall self-weight of vehicle suspension while upgrading damping effect load carrying capacity and driving stability perfectly adapting to long-distance transportation mining engineering vehicle and various poor pavement working scenarios. All finished leaf springs adopt full electrophoresis black anti-rust coating process to effectively avoid rust corrosion mud erosion and abrasion during long-term outdoor use greatly extending service cycle of suspension spare parts.
Production Craft
Every parabolic leaf spring follows standardized full production flow including raw material cutting hot rolling high temperature quenching tempering forming and fatigue testing. Our automatic intelligent production workshop controls every processing parameter precisely to keep consistent arch radian thickness and hardness for each finished product. Strict offline sampling fatigue durability test is arranged before warehouse delivery to eliminate defective products and guarantee uniform product quality for bulk export orders. The optimized parabolic design reduces friction between spring sheets to cut vehicle maintenance cost for end users and fleet owners.
Custom and Application
We support full OEM ODM customized production according to customers’ original samples technical drawings or parameter requirements including custom arch height sheet thickness length and mounting hole position. This series parabolic leaf spring widely fits most mainstream brand semi trailers cargo trucks heavy commercial vehicles used in Africa Middle East Southeast Asia and South America markets. We maintain large regular spot inventory of common specification leaf springs to realize fast order shipment for wholesalers auto parts distributors repair station suppliers and vehicle modification factories.
Factory Advantage
We are a professional Chinese direct manufacturer focusing on all kinds of truck trailer leaf spring production for more than years with complete production inspection equipment and mature export experience. Without middlemen markup we can offer competitive factory direct wholesale price for bulk purchasing clients. If you need detailed specification sheet technical parameter data and bulk order quotation please send your inquiry via our official contact channel on website.
