물자
Steel, stainless steel , iron, alloy, nickel, copper, bronze
사용법
Auto,electrics,toys,machine,lock,elevator
Product name
special 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