We are specialized in all various kinds of extension springs.We can offer you samples free after you accept our price.

We are specialized in all various kinds of extension springs:

1). Wire diameter from 0.1mm-10mm.

2). Material: carbon spring steel, alloy spring steel, stainless spring steel, etc.

3). Finish: black oxide, zinc/nickel/chrome plating, power coating, passivate, oiled to prevent rust, and so on.

4). High good quality and long service-life.

5). Good hardness and resistance to both high and low quality.

6). Since its establishment,my company has paid great attension to theproduct quality and the service.Following this principle,the company developed rapidly.So far,it has built solid relationship with many big companies in China as well as in foreign countries.Products mainly export to the USA,Canada,Mexico,Europe and India.

extension spring