... hinges 2.made of CNC Bending machine,Electronical Welding. Furniture Frame: 1. Material: stainless steel /C.R.S./Alumium ,Alumium Alloy ... skillful in lots of high-quality metal enclosures, such as distribution box, control box, aluminum box, electric cabinet, network cabinet, telecom ... are mostly from USA, Europe, Australia and Ireland, etc. furniture frame