custom leaf springs : Thickness: From 6mm to 50mm Width: From 44.5mm to 125mm Material: 60Si2Mn,SUP7, SUP9, SUP11A custom leaf springs We are a leading manufacturer of vehicle leaf spring and boat leaf spring. Our products include:1)conventional leaf spring,2)Z type leaf spring,3)Other auto parts.REMARKS: We can design and produce according to your special request.