... .3).Materials: Stainless steel ,cold rolled steel ,spring steel ,aluminum alloy, brass, bronze, copper, plastic ,POM, ABS , ... .5).High quality control.100% inspection before shipping. Measuring tool: CMM ,Projector, High gauge, Caliper, Pin Gauge, ... Payment Terms/Shipment Terms/Lead time):TypePrecision CNC machining partMaterials:Aluminum alloy, stainless steel , brassMaterial GradeGB,ASTM,AISI,DIN ...