21021-1
Suspension
RV&Trailer Leaf Spring
Trailer Parts
5
Peening & Electrophoresis Painting
Free on-Line Technical
15 Months
ISO/TS16949
2
4
Customized (Black, Grey, Dacromet)
New
CDXS
in Pallets
Made in China
7320102000
Product Description
![](https://image.cautop.com/365f3j00VDHeqpKgLjbd/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
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
![](https://image.cautop.com/365f3j00WIHCqiSJpKbm/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00iLHCqvsMGjkA/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00VIDCcFjHQsqw/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Cutting & Punching Rolling eye Heat treatment |
![](https://image.cautop.com/365f3j00kIPBcTStEZqd/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00bDHeozsjwScJ/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00kDICqVjhySoJ/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Shot peening Assembling Electrophoretic painting |
![](https://image.cautop.com/365f3j00oHLCqejGSKcJ/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00qLHCcNSPGKkd/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00vHPBkESafjcA/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Laser marking Finishing packing Delivery |
Quality Control
![](https://image.cautop.com/365f3j00vHIBquKcyjbA/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00CHDvqWsrSScA/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
![](https://image.cautop.com/365f3j00CLIBqeShGKom/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
IATF16949 ISO14001 BV |
![](https://image.cautop.com/365f3j00eDLBkOsGQSqw/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Spectrometer: Advanced material inspection equipment designed to precisely analyze the chemical composition of raw materials, ensuring they meet stringent incoming material acceptance standards.
![](https://image.cautop.com/365f3j00sDIBbQZyQjqw/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Universal Testing Machine: State-of-the-art equipment for raw material performance testing, evaluating tensile strength, yield strength, elongation, and area shrinkage of our products.
![](https://image.cautop.com/365f3j00jLHBkpZqwKbd/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Metallography: Post-heat treatment sample analysis to observe quenching and tempering structures through microscopy, ensuring the heat treatment process meets quality standards.
![](https://image.cautop.com/365f3j00jDHekWsBpKcJ/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Three Coordinates: Accurate spatial dimension detection, digital model dimension verification, and appearance dimension measurement for unparalleled precision.
![](https://image.cautop.com/365f3j00sLPBqvZrQKbA/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
Bench Testing Machine: Our innovative, independently developed equipment measures product size and stiffness, verifies product assembly fatigue life, and checks the fatigue life of spring eyes.
Packing & Shipping
![](https://image.cautop.com/365f3j00jHPBqFZaQSoJ/Quality-Leaf-Spring-Trailer-Truck-Mechanical-Suspension-Parts.webp)
FAQ
Q: Can you design and develop according to customer needs?
A: Absolutely! We offer both ODM and OEM services and have successfully developed hundreds of new products for clients worldwide.
Q: How do you ensure quality?
A: We rigorously adhere to the IATF16949 quality management system, applying professional testing methods and equipment from raw materials to finished product inspection, and provide factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we support logo printing, label printing, and stamping to meet your branding needs.
Q: What is your MOQ?
A: For common material sizes, the MOQ is 50 pieces. For special material sizes, the MOQ is 5 tons or more.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will supply a sample.
A: We accept T/T, L/C, and Cash payments.
Q: Can you design and develop according to customer needs?
A: Absolutely! We offer both ODM and OEM services and have successfully developed hundreds of new products for clients worldwide.
Q: How do you ensure quality?
A: We rigorously adhere to the IATF16949 quality management system, applying professional testing methods and equipment from raw materials to finished product inspection, and provide factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we support logo printing, label printing, and stamping to meet your branding needs.
Q: What is your MOQ?
A: For common material sizes, the MOQ is 50 pieces. For special material sizes, the MOQ is 5 tons or more.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will supply a sample.
A: We accept T/T, L/C, and Cash payments.