... or zinc plated 3 OEM Small order accepted Galvanized steel Side hinge1,used for garage door , sectional door ... for specification drawings: PRO/E, Auto CAD, Solid Works and CAM/CAE.7..We have the OEM ability and ... , welding machine, polish machines...Processed materialSPCC, SGCC, Stainless Steel, Carbon Steel, Mild Steel, Aluminum, Aluminium Alloy etc.Surface treatmentHot galvanized, polishing, ...