We are specialized in all various kinds of spring clip.We can offer you samples after you accept our price. Furun Springs are the Zhuji, Zhejiang ,China' leading compression, extension and torsion spring manufacturers and spring clipsuppliers.1). Material: stainless steel, steel, etc.2). Finish: black oxide, zinc/nickel/chrome plating, power coating, passivate, oiled to prevent rust and so on.3). ...