China Qiangbang Heavy Duty Truck Leaf Spring Parabolic Leaf Spring
Specifications
1.SUP9A spring steel2.Double Eye leaf spring
3.Tapered leaf spring
4.Multi-leafs Assy
5.Black/grey/Red colour
Conventional leaf spring making process:
1. Shearing flat bar
2. Center hole punching
3. Spring eye making
4. Heating process
5. Sand blasting
6. Assembly of leaf spring unit
7. Painting and marking
8. There is no spring eye for trailer leaf spring
Truck, trailer, semitrailer, coach, van, bus suitable

Data sheet and leaf spring drawings
Certificate BV, SGS, CE, Form E
leaf spring specification
1. Components: Leaf, Clip, Center Bolt
2.Size: 50*6mm, 60*8mm, 70*9mm, 80*14mm, 90*16mm, 100*20mm
3. Color: Red, Shinning Black, Dark Black, Grey
4. Materials: SUP9, SUP9A, SUP10, 60Si2Mn, 5160H
5. Quality Level: Excellent quality for international market
6. Certificate: ISO9001,BV,C/O,Form E
7. Truck, trailer, coach, van, bus suitable
8. Our products are popular in the worldwide market, including South America, Africa and Southeast Asian markets and so on.
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