3",4",5",SS201,SS304 door hinges: 1. High intensity and rigidity 2. Strict quality control 3. Thoughtful service 3",4",5",SS201,SS304 door hinges:1.Material:aluminium alloy ,stainless ... steel2.Mainly exported to America, and Africa countries 3.Specifications:4"*3"*2mm/3mm or 4"*2.5 ...