Place of Origin
Tianjin China
Wire Dia
.207inch , .218inch ,.225inch ,.250inch etc
Application
Residential garage door,commercial rolling shutter door
Surface treatment
Oil , Galvanized, black coated
Payment Term
Paypal,T/T ,Western Union
Surface Finishing
Black Power Coating, zinc
Keywords
Black Coated Garage Doors Torsion Spring For Doors
Product name
Custom Wholes Big Double Automatic Garage Door Roll up Torsion Spring