Features:

1. Material:spring steel, 82B, 65Mn, stainless steel, alloy steel

2. Yellow zinc plated

3. Made by your drawing

4. More then 10 years’ experience

5. Competitive price and best quality

6. More then 10 years’ experience

7. Advanced manufacturing and testing equipment

8. Competitive price and best quality

9. Provide OEM service

 

Applications:

Extension spring can used in toy,  sofa, beds and seats of cars automotive, medical device, electronics,  etc.

Materials:	Carbon steel, spring steel, stainless steel, alloy steel, oil tempered wire
Wire diameter:	0.2mm-10mm
Surface treatment	zinc, nickel, become black, powder coating, cataphoresis  or as your request
Hardness:	40-50HRC
applications	Extensively used for the base of the bicycles and electrombile
Packing	Inner plastic bags and outer cartons or as per customers' requirements