
Product name | Trailer Leaf Spring |
Thickness×Width | 7×44.5mm, 8×44.5mm, 9×44.5mm, 10×44.5mm, 8×50mm, 9×50mm, 10×50mm |
Total leafs | 9PCS |
Components | Leaf, Bushing, Clips/Clamps, Center bolt, nut, Rivet |
Materials | SUP7, SUP9, SUP9A, SUP10, SUP11A |
Color | Customized (Black, Grey, Dacromet) |



Cutting & Punching Rolling eye Heat treatment |



Shot peening Assembling Electrophoretic painting |



Laser marking Finishing packing Delivery |



IATF16949 ISO14001 BV |




Three Coordinates: With precision spatial dimension detection, digital model dimension verification, and appearance dimension measurement, we achieve unparalleled accuracy, ensuring that our products meet exact specifications.

Packing & Shipping: Ensuring your product arrives safely and on time, we employ meticulous packing and shipping methods. Our logistics team is dedicated to delivering excellence.

Q: Can you design and develop according to customer needs?
A: Absolutely! We excel in both ODM and OEM services, having successfully developed hundreds of new products customized to meet clients' specific requirements all over the globe.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system. Utilizing professional testing methods and state-of-the-art equipment, we conduct thorough inspections from raw materials to finished products, providing comprehensive factory inspection reports to guarantee top-notch quality.
Q: Can we print our own logo or label on the springs?
A: Yes, we offer comprehensive branding solutions including logo printing, label printing, and stamping services to meet all your branding needs.
Q: What is your MOQ?
A: For common material sizes, our minimum order quantity (MOQ) is 50 pieces. For special material sizes, a minimum order quantity of 5 tons or more is required, catering to various project scales.
Q: Is it possible to have a sample for quality testing?
A: Yes, absolutely! Please provide detailed specifications, and we will be delighted to supply a sample for all your quality testing needs.
A: For your convenience, we accept T/T, L/C, and Cash payments, ensuring a seamless and smooth transaction process.