We are one of the largest leaf spring manufacturer in Asia, have passed ISO/TS16949 certificate. We engage in the production of all kinds of automobile spring, from small trailers, pickup vehicles to heavy duty trucks, from conventional to parabolic, from OEM to after-market. Thickness from 6mm to 50mm, width from 44.5mm to 125mm. Popular material grade includes SUP7, SUP9 and SUP11A.