Name
Extension Spring for garage door
Inner diameter
as your request
Outer diameter
as your request
Color
red/green /yellow /bule/customized
Surface treatment
galvanized, chrome plate, nickel plate, e-coating
Certification
ISO 9001 :2008
Application
Garage door/roller shutter door/door lock
차고 도어 용 녹슬지 않는/녹슬지 않는/내화 스테인레스 스틸 장력 스프링/연장 토션 스프링
