... Control at 0.001mm , equipped with 280 sets CNC Machines CMM Inspection machine Finishes : Heat treatment ; Plating ( Zinc , Nickel , Chrome , Aluminum alloy ... By CMM, mechanical property tester, mechanical property tester, RoHs tester , projecting apparatus , Roughness tester , Hardness tester , Concentricity tester- Third Party Inspection available ...