Specification :

Shuangyuan is specialized in producing precision small spring with wire diameter from 0.1mm to 5.0mm.
Material stainless steel , music wire, spring steel like 65Mn etc
Surface finish: galvanized, black, nickel-plated, powder coating
We are located in Xiamen ( seaport city) , China.
We have 10 years of experiences in producing the spring.
Our products are exported to many countries like Australia, USA, Italy etc.
Pls contact with us if you are interested it.