... , Plate Sheers, CNC Pipe Bender, CNC WIRE EDM and some testing machines .ProcessingStamping , punching, Deep Drawing , bending , welding , threading , grinding , milling ... primers , blacking, etc Inspection: Coating thickness tester,Roughness tester, Go /Ungo Gauge, Sault spray testing machine, Hardness tester What's used for?crystal star award ...