We usually use the things as follow:
1)Material: Aluminum Die Casting-ADC12,Aluminum Die Casting-A380,etc
2)Processing method: turning, milling , drilling, boring, tapping, reaming, etc.
3)Surface treatment: painting, powder coating,electroplating, oxygenation,Shot blasting, etc.
4)Product inspection: initial sample inspection, process quality control, Pre-shipment Inspection.
5)Inspection tool: Coordinate Measuring Machine, Projector, all kinds of gauge, Salt Spray Tester. etc.