compression spring professional manufacturer OEM service with competitive price high quality and quick delivery&ISO9001:2008

Industrial  compression spring ,electric elevtor spring ,

Specifications:

1.ISO9001:2008

2.Material:60Si2CrA,60Si2CrVA,60Si2MnA,stainless steel .

3.Wire diameter:1mm~80mm

4.Free height:15mm~1088mm

5. hardness:42HRC~52HRC or as Standards of EN ,DIN.etc.

6. Direction of coils:Right, left

7. No. of coils:Unlimited

8.Application:Excavator, digger machine, car, train, shakeout machine, etc.

9.Color:Black,white,blue,red, yellow, grey, etc.

10.Production method:Hot formed, cold formed

11.Note:The materials and specifications can be dedided by the customers