21021-47
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

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 spectrometer meticulously inspects the raw materials' chemical composition, ensuring they meet the highest standards of quality and acceptance.

Universal Testing Machine: Utilizing state-of-the-art machinery, we test raw material performance, including tensile strength, yield strength, elongation, and area shrinkage, guaranteeing top-tier product reliability.

Metallography: Through meticulous post-heat treatment sample analysis and microscopy, we scrutinize quenching and tempering structures to ensure our heat treatment process meets stringent quality criteria.

Three Coordinates: Employing precision spatial dimension detection, digital model verification, and detailed appearance measurement, we achieve unparalleled accuracy in our products.

Bench Testing Machine: Our cutting-edge, independently developed equipment rigorously measures product size and stiffness, verifies assembly fatigue life, and ensures the longevity of spring eyes.
Packing & Shipping

FAQ
Q: Can you design and develop according to customer needs?
A: Absolutely! We offer comprehensive ODM and OEM services and have a proven track record of developing hundreds of innovative products for clients around the globe.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system, employing advanced testing methods and state-of-the-art equipment from raw material assessment to finished product inspection. We also provide detailed factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we offer comprehensive support for logo printing, label printing, and stamping to meet all your branding requirements.
Q: What is your MOQ?
A: For standard material sizes, the MOQ is 50 pieces. For specialized 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 be happy to supply a sample for quality testing.
A: We accept payments through T/T, L/C, and Cash.
Q: Can you design and develop according to customer needs?
A: Absolutely! We offer comprehensive ODM and OEM services and have a proven track record of developing hundreds of innovative products for clients around the globe.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system, employing advanced testing methods and state-of-the-art equipment from raw material assessment to finished product inspection. We also provide detailed factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we offer comprehensive support for logo printing, label printing, and stamping to meet all your branding requirements.
Q: What is your MOQ?
A: For standard material sizes, the MOQ is 50 pieces. For specialized 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 be happy to supply a sample for quality testing.
A: We accept payments through T/T, L/C, and Cash.