... Powder coated or zinc plated 3 OEM Small order accepted Galvanized steel Side hinge1,used for garage door , sectional door ... Carbon Steel, Mild Steel, Aluminum, Aluminium Alloy etc.Surface treatmentHot galvanized, polishing, chrome/zinc/nickel plating, powder coating, anodize...Making processStamping ... photosOur Equipment----CNC laser cutting machine(metal) Our techniciansOur stock of finish products