aluminium die casting heat sink 2.Nice surface treatment; 3.100% good products ... 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 ...