2. TS16949, ISO9001 certified spring
 

3. material: 60Si2MnA, 55CrSi and other materials alternative
 

4 .There are three brands of high stress spring: tripping springs, engine valve springs, clutch springs.
 

5. High quality and competitive price
 

6. The excellent  damping performance brings U a comfortable drive
 

7. The Spring resistance to both high and low temperature
 

8. High quality spring, every product go through many tests, such as, tensile strength, fatigue lifetime, static press, dynamometry salt mist and so on.
 

9. Exported to many countries and welcomed by customers
 

10. Welcome to inquiry suspension spring!