... manufactry DetailsA.Production Name: 3mm steel hinge/stable door hinge /stainless steel door hinge B.Material:Stainless steel,IronC.Finishing:Chrome,Satin,Golden ... : Stamping, deep drawing,bending, punching, laster cutting,threading,F. Usage : door and windowG. Inspection : QC & QA 3mm steel hinge/stable ...