... qty welcome 4.Surface treatment as required Precision Stamping Of Metal:1. Material:Carbon steel,stainless steel,copper , ... , powder coating,etc3.Machine:Stamping machines,automatic stamping machine,punching machines,Oil Hydraulic pressing machines,bending machines,welding machines, lathes.4. Standard:OEM manufacturing ... part, building part, household hardware, etc. Precision stamping of metal