... coated or zinc plated 3 OEM Small order accepted Galvanized steel Side hinge1,used for garage door , sectional door ... machines...Processed materialSPCC, SGCC, Stainless Steel, Carbon Steel, Mild Steel, Aluminum, Aluminium Alloy etc.Surface treatmentHot galvanized, polishing, chrome/zinc/nickel ... availableStandardANSI. API.BS.DIN.JIS.GB.etcR&DWe support customer R&D make the file orimprove the design ...