... hinges 2.made of CNC Bending machine,Electronical Welding. Furniture Frame: 1. Material: stainless steel /C.R.S./Alumium ,Alumium Alloy ... and others as required.2. Surface treatment: powder coating or painting, Surface Oxidizing,metal polishing, dephosphorization,Silkscreen or by ... are mostly from USA, Europe, Australia and Ireland, etc. furniture frame