
Durable Heavy-Duty Leaf Springs for Trailers and Rvs. Customized Color Options: Available in Black, Grey, and Dacromet finishes to meet specific requirements. OEM and ODM Services: Full customization support including design, development, and logo printing. IATF 16949 Quality System: Strict quality control following international standards from raw material to finished product. Comprehensive Testing Equipment: Utilizes spectrometers, universal testing machines, and fatigue life verification tools. Diverse Material Selection: Constructed from high-grade SUP7, SUP9, SUP9A, SUP10, and SUP11A steel. 15 Months Warranty: Includes free online technical support for peace of mind. Precision Manufacturing: Advanced processes include shot peening, heat treatment, and electrophoretic painting. Flexible MOQ Options: 50 pieces for common sizes; 5 tons or more for special material sizes.