... metal folding machines. 1.Material:iron(SPCC,CECC,SGCC). 2.Process:CNC punching,bending,press rivets. 3.Powder coating. Item namesheet metal folding ... ,Flextronics,Sangfei.5) With advanced equipment of CNC punching machines, CNC bending machines,stamping machine,welding machine,etc. 6) Strict quality control ... email or fax.You are highly appreciated. Sheet metal with folding machines