aluminium die casting heat sink 2.Nice surface treatment; 3.100% good ... parts, CNC lathe turning parts, Grinding parts, Metal stamping parts, Die casting and forging parts, Welding parts ,Broaching, Drilling, Laser machining ... % inspection before shipment by micrometer, height gauge, projector measuring machine, coordinate measuring machine(CMM), ect. 6. Advantages:Non-standard/standard/OEM/ODM ...