21021-3
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 material inspection equipment precisely analyzes the chemical composition of raw materials, ensuring they meet our stringent incoming material acceptance standards.

Universal Testing Machine: This state-of-the-art equipment for raw material performance testing evaluates tensile strength, yield strength, elongation, and area shrinkage, guaranteeing product excellence.

Metallography: Post-heat treatment sample analysis under a microscope to observe quenching and tempering structures, ensuring the heat treatment process aligns with our high-quality standards.

Three Coordinates: For unparalleled precision, this equipment offers accurate spatial dimension detection, digital model dimension verification, and appearance dimension measurement.

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, ensuring reliability.
Packing & Shipping

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 to meet their unique requirements.
Q: How do you ensure quality?
A: We rigorously adhere to the IATF16949 quality management system, utilizing professional testing methods and equipment from raw material inspection to finished product assessment. Factory inspection reports are provided for utmost transparency.
Q: Can we print our own logo or label on the springs?
A: Yes, we support logo printing, label printing, and stamping to meet all 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, tailored to your specific requirements.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will supply a sample for your quality testing.
A: We accept T/T, L/C, and Cash payments, offering flexible options for your convenience.
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 to meet their unique requirements.
Q: How do you ensure quality?
A: We rigorously adhere to the IATF16949 quality management system, utilizing professional testing methods and equipment from raw material inspection to finished product assessment. Factory inspection reports are provided for utmost transparency.
Q: Can we print our own logo or label on the springs?
A: Yes, we support logo printing, label printing, and stamping to meet all 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, tailored to your specific requirements.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will supply a sample for your quality testing.
A: We accept T/T, L/C, and Cash payments, offering flexible options for your convenience.