Point d'origine
Guangdong, China
Technique
2014 HOT SALE High Quality rolling door spring heat treatment
Traitement extérieur
cold rolled
Application
rolliing shutters, rolling shutter door
Numéro de Type
Cortinas Metalicas de Fleje en Acero
Service de traitement
heat treatment
color
polished (blue, yellow, white, grey-blue, black, bright) or Nature etc
coil weight
200-250kg or as your requirement
Standard of surface
No flaw, burr, rust.
usage
roller shutter door spring, garage door spring use
application
rolling shutters with spring steel
surface
blue, polished blue
type
steel strip bending for rolling shutters
Surface finish
blue, polish blue