HEAVY-DUTY LEAF SPRING SOLUTIONSTianjin, China — Serving Global Markets

MAKE YOUR NEXT ORDER A BETTER MATCH.

PRACTICAL ANSWERS.
BETTER SOURCING.

Product information, material options and the details that help us prepare an accurate quotation.

DOWNLOAD RANGE GUIDE
Heavy spring assembly with center mounting piece

MATERIALS & FINISHES

MADE TO YOUR
SPECIFICATION.

Material, coating and packaging choices are confirmed for your product, operating requirements and order.

Finished black leaf springs organised in production racks

SPRING STEEL

51CrV4 · SUP9 / SUP9A · 60Si2Mn · 55CrMn

CUSTOM OPTIONS

OEM numbers, drawings or samples · Reinforced packs (+300 kg / +500 kg) · Laser logo engraving

SURFACE PROTECTION

Electrophoretic painting (E-coating) or electrostatic spraying

EXPORT PACKAGING

Anti-rust oil · Plastic wrapping · Steel-bundled or palletized packaging on request

BEFORE SHIPMENT

Hardness testing · Dimensional checks · Load / camber testing

PREPARE A BETTER ENQUIRY

HELP US MATCH
YOUR SPRING.

Share the details you have. A drawing or clear sample photo is especially useful for custom production.

  1. Vehicle brand, model and axle position
  2. OEM number or existing part reference
  3. Spring dimensions, leaf count and drawing
  4. Required quantity, destination and packaging
  5. Material, reinforcement and coating requirements

SOURCING FAQ

GOOD QUESTIONS.
CLEAR ANSWERS.

MOQ, lead times, payment terms and the product options available from Reachma.

What vehicle brands do your leaf springs fit?+

We supply leaf springs for European heavy trucks including Volvo, Scania, Mercedes-Benz and MAN; Japanese commercial vehicles including Isuzu, Hino, Mitsubishi and Nissan; Chinese trucks including HOWO, Shacman and FAW; trailer axles including BPW, FUWA and SAF; and BYD electric trucks. Fitment is confirmed by OEM number, drawings or samples.

What materials and custom options do you offer?+

We work with high-fatigue spring steels including SUP9/SUP9A, 60Si2Mn and 55CrMn, with 51CrV4 options according to the product specification. OEM/ODM production is available from your drawings, OEM numbers or samples, with optional laser logo engraving.

What is your minimum order quantity?+

Flexible ordering is available: typically 30–100 sets for standard stock trial orders, and 1–5 tons for custom bulk orders. The final MOQ is confirmed for your exact specification.

What are your lead times and payment terms?+

Typical production takes 15–25 days. Standard payment terms are 30% T/T deposit and 70% balance before loading. Photos or videos of finished goods and loading are provided before the balance payment.

How do you protect springs against corrosion?+

E-coating or electrostatic spraying is available for durable surface protection. For ocean freight, anti-rust oil, plastic wrapping and steel-bundled or palletized packaging can be arranged on request.

How is quality checked before shipment?+

Factory inspection includes hardness testing, dimensional checks and load/camber testing before packaging. Our manufacturing base uses CNC forming, automated heat treatment, stress shot peening and fatigue testing to control production quality.

Can you supply individual leaves and mounting hardware?+

Yes. We offer complete spring assemblies, individual main and sub leaves, and matching high-strength U-bolts, bushings, center bolts and clips.

YOUR TRUCK. YOUR SPECIFICATION.

LET’S GET THE RIGHT
SPRING TO WORK.

REQUEST A QUOTE