1. ISO9001, TS16949 certified 2. Oil quenched 3. China's largest brake spring manufacture

1. Wire dia: 8mm-16mm

2. Material: 60Si2MnA

3. Heat treatment base of Zhejiang University

4. Resistant to both low and high temperature

5. Exported to many countries and welcomed by customers

6. Good  quality with competitive price

7. Excellent damping performance of our spring brings you a comfortable drive

8. Welcome to inquiry our heavy machine spring

machine spring TS16949, ISO9001 certified