... : 1. High intensity and rigidity 2. Strict quality control 3. Thoughtful service 3",4",5",SS201,SS304 door hinges:1.Material:aluminium ... steel2.Mainly exported to America, and Africa countries 3.Specifications:4"*3"*2mm/3mm or 4"*2.5"*2mm1.Material: aluminium alloy,stainless ... .Mainly exported to America and Africa countries.4.Size: 4"*3"*2mm/3mm or 4"*2.5"*2mm5. The products of different ...