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Volvo OEM 257355 100*22 Leaf Spring
Conventional size:
Thickness:7mm-50mm Width:45mm-150mm Length:700mm-2000mm
Suitable for auto type: Man, Mitsubishi, BPW, Toyoto, Chevroler and Isuzu ect.
Auto leaf spring production info:
| Company name | Chang Tong Technology Co., Ltd |
| Brand | Chang Tong |
| Place of origin | Gongyi city, Henan province, China |
| Specification | Single, multiple, parabolic, variable cross-section, z type leaf spring etc. |
| Color | Shining black, dark black, grey, blue, red or customized |
| Conventional raw material | 60Si2Mn, 55CrMnA, 60CrMnA, 60CrMnMoA, 50CrVA, 60CrMnBA SUP6, SUP7, SUP9, SUP9A, SUP10, SUP11A etc. |
| Conventional Size | Thickness: 7mm-50mm Width:45mm-150mm |
| Production line | 5 |
| Annual production capacity | 50000tons/year |
| Certificate | ISO/TS16949 |
| Conventional application | Truck, Tralier, Bus and other vehicle:Isuzu, Man, BPW, Mitsubishi, Toyto, Hino etc. |
| Supplier of raw material | Fangda in Wuhan City |
| Quality Level | Best quality, accepted by customers |
| Main abroad Market | United Kingdom, Russian, Middle-east, India, South Afric |
| Price | FOB Price |
| MOQ | 50 Sets |
| Payment terms | T/T or L/C |
| Lead time | 20 days after down payment |
| Package | Iron Pallet/Wooden Pallet |
1.Enterprise Introduction:
1)Time of establishment: Sep. 2003
2) Registered capital: 840 million Yuan
3) Floor area: 130,000 square meters
4) Number of staffs: nearly 500 people
5) Main products: Auto Leaf Spring, flange, end plate
6) Production capacity:
Auto Leaf Spring: 50000tons/year
Flange:50000tons/year
End plate:60000tons/year
2.Product Advantages:
1) High quality & Reasonable price & Excellent service.
2) Relevant technology certificate: ISO/TS16949 ISO9001
3) Rich experience in manufacturer & innovation
3. Product Development:
1) The company makes use of CAE finite element analysis and other software, possesses independent testing and detecting center machine, fatigue testing machine and other advanced testing and detecting equipments, and owns the ability of making further study and analysis on optimizing automotive suspensions, vibration matching, car loading suitability, product reliability, failure mode analysis and other aspects.
2) The company undertakes design, research and development of suspension system in China.
4. Production Process(leaf spring):
Multi-leaf springs are made as follows:
1.Shearing of flat bar
2.Center hole punching / Drilling
3.End Heating process forming (hot & cold process)
1).Eye Forming / Wrapper Forming
2).Diamond cutting / end trimming / width cutting / end tapering
3).End punching / end grooving / end bending / end forging / eye grinding
4).Center hole punching / Drilling / nibbing
5.Heat Treatment
1).Heating
2).Camber forming
3).Quenching
4).Tempering
6.Surface preparation
1).Shot peening / stress peening
2).Painting
7.Eye bush preparation process
1).Eye reaming / eye boring
2).Bush insertion
3).Bush reaming
8.Assemble
1).Presetting & load testing
2).Paint touch-up
3).Marking & packing
We have the advantage that we have our own factory and over 10years experience of auto spring leaf production and marketing.Our main international markets are Asia,Europe,Middle East,Oceania,North America,Africa and Russia.
We are OEM and can produce spring leaf as your drawing.We use the best materials and our price is lower than than other company.
If you are interested in our products,please do not hesitate to send an e-mail to me or talk with me by Trade Manager directly!
Thank you for reading our information!
Volvo OEM 257355 100*22 Leaf Spring
