21021-50
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: Comprehensive insights into our robust, high-performance Heavy-Duty Spring Suspension Leaf Parts, meticulously crafted to meet and exceed industry standards.
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-edge manufacturing techniques ensuring superior durability and reliability in every component.



Cutting & Punching Rolling eye Heat treatment |



Shot peening Assembling Electrophoretic painting |



Laser marking Finishing packing Delivery |
Quality Control: Stringent quality assurance measures to guarantee the highest level of product excellence.



IATF16949 ISO14001 BV |

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

Universal Testing Machine: Utilizing state-of-the-art equipment, we conduct comprehensive raw material performance testing, evaluating tensile strength, yield strength, elongation, and area shrinkage, ensuring every product meets our high standards.

Metallography: Post-heat treatment sample analysis through microscopy, observing quenching and tempering structures to ensure the heat treatment process adheres to our rigorous quality standards.

Three Coordinates: Precision spatial dimension detection, digital model dimension verification, and appearance dimension measurement to achieve unparalleled accuracy.

Bench Testing Machine: Our innovative, independently developed equipment measures product size and stiffness, verifies assembly fatigue life, and checks the fatigue life of spring eyes to ensure peak performance.
Packing & Shipping: Secure and efficient packaging methods coupled with reliable shipping processes to ensure your products arrive safely and promptly.

FAQ: Commonly asked questions addressed for your convenience.
Q: Can you design and develop according to customer needs?
A: Absolutely! We specialize in both ODM and OEM services, successfully developing hundreds of new products tailored to clients' specific requirements worldwide.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system, utilizing professional testing methods and equipment from raw materials to finished product inspection, and 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, the MOQ is 50 pieces. For special material sizes, a minimum order quantity of 5 tons or more is required.
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 your quality testing needs.
A: We accept T/T, L/C, and Cash payments to ensure a smooth transaction process.
Q: Can you design and develop according to customer needs?
A: Absolutely! We specialize in both ODM and OEM services, successfully developing hundreds of new products tailored to clients' specific requirements worldwide.
Q: How do you ensure quality?
A: We strictly adhere to the IATF16949 quality management system, utilizing professional testing methods and equipment from raw materials to finished product inspection, and 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, the MOQ is 50 pieces. For special material sizes, a minimum order quantity of 5 tons or more is required.
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 your quality testing needs.
A: We accept T/T, L/C, and Cash payments to ensure a smooth transaction process.