... as required) 2.powder coating,zinc plating,chrome plating Metal Brackets:1. Material: C.R.S./Alumium ,Alumium Alloy ... .including the AMADA bending machine,CNC Punching Machine,Metal Sand Polishing machine,and spot welding machine.11 ... requests4) supply various kinds of stamping fittings and metal precious productsOur customers are mostly from USA, Europe, ... could have visit in our factory metal brackets