Stainless Steel Door Hinge 1. Material: Stainless steel 2. Finish: SC,SSS,PSS,PVD 3. Good quality ... PB, AB, AC, PVD, etc. Material - stainless steel,carbon steel,hot rolled steel , copper, iron,etc.Making process--Punching,stamping,bending,welding,rivetingSurface treatment --galvanized ... requirement on the products of stamping and welding,please feel free to contact us at anytime.We will be willing ...