

Explore our Leaf Spring Suspension Parts Bundle for trailers and RVs. Includes Al-Ko leaf springs, double eye axle, and complete kit for easy replacement.




Cutting & Punching Rolling eye Heat treatment |



Shot peening Assembling Electrophoretic painting |



White screen printing Finishing packing Delivery |

Upgrade Your Trailer Suspension System with Al-Ko Type Trailer Leaf Spring Replacement
Henan Hengsaier Auto Parts Co., LTD offers top-notch quality control with the Al-Ko Type Trailer Leaf Spring Replacement. This replacement is ideal for enhancing the performance of your trailer suspension system, ensuring a smooth and safe ride.



IATF16949 ISO14001 BV |

Spectrometer for Material Inspection
Welcome to Henan Hengsaier Auto Parts Co., LTD
Spectrometer
Our spectrometer is a cutting-edge material inspection equipment designed to detect the chemical composition content of raw materials. It ensures that incoming materials meet the highest standards of quality and safety.
Features:
- Precise detection of chemical composition
- Quick and accurate results
- Easy to use and operate
Benefits:
- Ensures raw materials meet acceptance standards
- Improves product quality and consistency
- Reduces the risk of using substandard materials
Contact us today to learn more about how our spectrometer can enhance your material inspection process.

Welcome to Henan Hengsaier Auto Parts Co., LTD, where durability meets performance! Introducing our Al-Ko Type Trailer Leaf Spring Replacement, designed to withstand the toughest conditions. Our universal testing machine ensures top-notch quality, testing tensile strength, yield strength, elongation, and area shrinkage. Trust in our product for unmatched reliability and longevity.

Metallography Analysis Service
Welcome to Henan Hengsaier Auto Parts Co., LTD
Our Metallography Analysis Service involves taking samples after heat treatment and observing the quenching and tempering structure under a microscope. This allows us to determine the quality of the heat treatment process.
Features:
- Precise heat treatment analysis
- Microscopic observation for accurate results
- Professional evaluation of quenching and tempering structure
Benefits:
- Ensure the quality of heat treatment processes
- Identify any issues or defects in the metal structure
- Receive detailed reports for informed decision-making
Contact us today to learn more about our Metallography Analysis Service!

Henan Hengsaier Auto Parts Co., LTD offers Al-Ko Type Trailer Leaf Spring Replacement. Our product covers three key dimensions: spatial detection, digital model verification, and appearance measurement. Upgrade your trailer's leaf springs with our high-quality replacement for enhanced performance and durability.

Bench Testing Machine
Product Description:
Introducing the Bench Testing Machine from Henan Hengsaier Auto Parts Co., LTD. This cutting-edge machine, developed and produced independently, is designed to measure product size and test product stiffness with precision. It is equipped to handle fatigue life verification for product assemblies and spring eye fatigue life verification. Ensure the quality and durability of your products with this versatile and reliable testing machine.
Packing & Shipping

FAQ
Q:Can you design and develop according to customer needs?A:Sure, we can provide ODM and OEM services. Currently we have provided hundreds of new products to domestic and foreign customers.
Q:How to ensure your quality?
A:We strictly follow the IATF16949 quality management system to control product quality. From raw materials to finished product testing, we have professional testing methods and equipment, and also issue factory inspection reports.
Q:Can we print our own logo or label on the springs?
A: Yes, you can. We support logo print & label print & stamping.
Q:What is your MOQ?
A: For common material size, MOQ requires 50pcs, for special material size, MOQ requires 5 ton or more.
Q:Is it possible to have sample for quality testing?
A: Yes, you just need provide detail specification.
A: T/T, L/C, D/P