21021-28
Suspension
RV&Trailer Leaf Spring
Trailer Parts
5
Peening & Electrophoresis Painting
ISO/Ts16949
2
4
New
Free on-Line Technical
15 Months
Customized (Black, Grey, Dacromet)
CDXS
in Pallets
Made in China
7320102000
Product Description

Product Details
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 | 5PCS |
Components | Leaf, Bushing, Clips/Clamps, Center bolt, nut, Rivet |
Materials | SUP7, SUP9, SUP9A, SUP10, SUP11A |
Color | Customized (Black, Grey, Dacromet) |
Processing Technology



Cutting & Punching Rolling eye Heat treatment |



Shot peening Assembling Electrophoretic painting |



Laser marking Finishing packing Delivery |
Quality Control



IATF16949 ISO14001 BV |

Spectrometer: Our advanced material inspection equipment precisely analyzes the chemical composition of raw materials, ensuring they consistently meet our stringent incoming material acceptance standards.

Universal Testing Machine: Utilizing state-of-the-art equipment, we thoroughly test raw material performance, evaluating key parameters like tensile strength, yield strength, elongation, and area shrinkage to guarantee top-notch quality.

Metallography: Through meticulous post-heat treatment sample analysis and microscopic observation of quenching and tempering structures, we ensure that our heat treatment process adheres to the highest quality standards.

Three Coordinates: Our precise spatial dimension detection, digital model dimension verification, and appearance dimension measurement offer unparalleled accuracy, ensuring every product meets exact specifications.

Bench Testing Machine: Developed in-house, this innovative equipment measures product size and stiffness, verifies the assembly fatigue life of our products, and rigorously checks the fatigue life of spring eyes.
Packing & Shipping

FAQ
Q: Can you design and develop according to customer needs?
A: Absolutely! We provide both ODM and OEM services, having successfully developed hundreds of new products for clients around the globe.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system, employing professional testing methods and equipment for every stage from raw materials to finished product inspections, and we provide comprehensive factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we offer logo printing, label printing, and stamping services to meet all your branding needs.
Q: What is your MOQ?
A: For common material sizes, our MOQ is 50 pieces. For special material sizes, the MOQ starts at 5 tons or more.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will gladly supply a sample for your quality testing needs.
A: We accept T/T, L/C, and Cash payments for your convenience.
Q: Can you design and develop according to customer needs?
A: Absolutely! We provide both ODM and OEM services, having successfully developed hundreds of new products for clients around the globe.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system, employing professional testing methods and equipment for every stage from raw materials to finished product inspections, and we provide comprehensive factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we offer logo printing, label printing, and stamping services to meet all your branding needs.
Q: What is your MOQ?
A: For common material sizes, our MOQ is 50 pieces. For special material sizes, the MOQ starts at 5 tons or more.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will gladly supply a sample for your quality testing needs.
A: We accept T/T, L/C, and Cash payments for your convenience.