High quality Rubber Compression Springs Kelly bar damping springs
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- kelly damping spring
Different kelly bar is matched different Model, such as -
| 45*330*400 |
| 55*390*400 |
| 50*400*410 |
| 55*420*420 |
| 70*480*480 |
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Please offer the following specification :
1.Material
2.Wire diameter
3.Surface treatment
4.Inner diameter and outer diameter(ID and OD)
5.Free length and work length
6.Application
- 3D diagram of spring
- Product details
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factory photo
Packaging and Shipping
Exhibition
patent certificate
construction site
Welcome Contact Us
Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686
After clicking on the link on the phone you can use Whatsapp to contact me directly.We can discuss more details in there .
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