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We are specialized in all various kinds of torsion springs:
1). Wire diameter from 0.2mm75mm.
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
torsion spring
