Perforated metal sheet 1. Material:SECC. 2.No finish treatment. 3.Process:CNC machining, 4.OEM,ROHS,ISO 9001:2000 About ... companyExperience:Our company specialized in metal stamping,CNC machining,mold designing,assembling with 14 year experiences ... etc in China.Equipment:Our equipments include stamping machine,CNC punching and bending machine,welding machine,drilling machine,tapping ...