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
THE REACHMA
PRODUCT RANGE.
Five product families, manufacturing capabilities and an enquiry checklist.
DOWNLOAD PDF ↓02 / MATERIALS & FINISHESFROM SPRING STEEL
TO SURFACE PROTECTION.
Material grades, custom options and coating choices for export sourcing.
EXPLORE MATERIALS 03 / QUOTATION CHECKLISTGET THE DETAILS.
GET THE RIGHT QUOTE.
What to send when you need an OEM replacement or custom spring assembly.
VIEW CHECKLISTMATERIALS & FINISHES
MADE TO YOUR
SPECIFICATION.
Material, coating and packaging choices are confirmed for your product, operating requirements and order.

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.
- Vehicle brand, model and axle position
- OEM number or existing part reference
- Spring dimensions, leaf count and drawing
- Required quantity, destination and packaging
- 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.