1.Material

Spring steel, Stainless steel,?Cu,?Alloy

2.?Wire?dia.

?0.08mm~?10.0mm

3.?Coils

3.5

4.?Surface?finish

Bluing,?Cleaning,?Zinc-plated,?Passivation,?Electrophoresis???????

5.?Fatigue?test

5,000,000?times

6.?Salt?spray?test

200~1000H

7.?Style?of?ends

No Grinded

8.?Certificates

ISO9001,??RoHS

9.?Load?of?type

Compression

10.?Period?validity

1?year

11.?Pls?offer?your?spec.,?we?are?able?to?make?springs?as?your?requirements

12.?Discount?offered?in?large?order?quantity

13.?Best?after-service