Trailer Leaf Springs for Japanese off-Road Vehicles

• Material：Carbon
• Certification：ISO,TS16949
• Car Make：Benz, Honda, Toyota, Jeep, Nissan, Ford, Volvo, Mazda
• Position：Front
• OEM：Yes
• Type：Suspension Spring

=== Base Info ===

• Model NO.：JA11
• Transport Package：Pallets
• Specification：SUP7, 60Si2Mn
• Trademark：QDHEROSUN
• Origin：China
• HS Code：7320102000
• Production Capacity：100000 Tons Per Year

=== Description ===
Suspension Leaf Spring for Trailers&Trucks Specification 

• Manufacturing Process
• 1. Shearing of flat bar
•  2. Center hole punching / Drilling
•  3. End heating process forming - Eye Forming / Wrapper Forming - Diamond cutting / end trimming / width cutting / end tapering - End punching / end grooving / end bending / end forging / eye grinding - Center hole punching / Drilling / nibbing
• 4. Heat Treatment - Heating - Chamber forming - Hardening - Quenching - Tempering
• 5. Surface preparation - Shot peening / Stress peening - Primary painting
• 6. Eye bush preparation process - Eye reaming / eye boring - Bush insertion - Bush reaming 7. Assemble - Presetting & load testing - Finish painting - Marking & packing