材料
Steel, stainless steel , iron, alloy, nickel, copper, bronze
使用法
Auto,electrics,toys,machine,lock,elevator
Product name
tension spring
Surface treatment
blackened, white-plated zinc, colored zinc, nickel-plated, chrome
Material
Steel, stainless steel , iron, alloy, nickel, copper, bronze
Specification
Customized According to your drawings
Application
Auto,electrics,toys,machine,lock,elevator