21021-34
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 apparatus is meticulously crafted to precisely scrutinize the chemical composition of raw materials. This ensures they impeccably meet the rigorous standards of incoming material acceptance.

Universal Testing Machine: This cutting-edge equipment is designed for thorough raw material performance testing, meticulously assessing parameters such as tensile strength, yield strength, elongation, and area shrinkage, ensuring our products meet the highest standards.

Metallography: By meticulously analyzing post-heat treatment samples through high-powered microscopy, we observe quenching and tempering structures, validating that our heat treatment process aligns perfectly with stringent quality standards.

Three Coordinates: Utilizing precise spatial dimension detection, our system offers unparalleled accuracy in digital model dimension verification and appearance dimension measurement, ensuring every detail meets exact specifications.

Bench Testing Machine: Our independently-developed, innovative bench testing machine measures product size and stiffness, verifies product assembly fatigue life, and scrutinizes the fatigue life of spring eyes with exceptional precision.
Packing & Shipping

FAQ
Q: Can you design and develop according to customer needs?
A: Absolutely! We proudly offer both ODM and OEM services, having successfully developed hundreds of new, high-quality products tailored to clients' needs across the globe.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system. From raw materials to finished products, we employ professional testing methods and state-of-the-art equipment, providing comprehensive factory inspection reports to ensure unparalleled quality.
Q: Can we print our own logo or label on the springs?
A: Yes, we fully support logo printing, label printing, and stamping, ensuring your branding needs are met with precision and excellence.
Q: What is your MOQ?
A: For common material sizes, our MOQ is 50 pieces. For special material sizes, the MOQ is 5 tons or more, catering to a range of customer requirements.
Q: Is it possible to have a sample for quality testing?
A: Yes, simply provide us with detailed specifications, and we will be happy to supply a sample for your quality testing needs.
A: We accept T/T, L/C, and Cash payments to facilitate smooth and convenient transactions.
Q: Can you design and develop according to customer needs?
A: Absolutely! We proudly offer both ODM and OEM services, having successfully developed hundreds of new, high-quality products tailored to clients' needs across the globe.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system. From raw materials to finished products, we employ professional testing methods and state-of-the-art equipment, providing comprehensive factory inspection reports to ensure unparalleled quality.
Q: Can we print our own logo or label on the springs?
A: Yes, we fully support logo printing, label printing, and stamping, ensuring your branding needs are met with precision and excellence.
Q: What is your MOQ?
A: For common material sizes, our MOQ is 50 pieces. For special material sizes, the MOQ is 5 tons or more, catering to a range of customer requirements.
Q: Is it possible to have a sample for quality testing?
A: Yes, simply provide us with detailed specifications, and we will be happy to supply a sample for your quality testing needs.
A: We accept T/T, L/C, and Cash payments to facilitate smooth and convenient transactions.