+Flexible MOQ:20pcs for high precision metal cabinet +Short delivery time:7-25days +mearly 10 ... Processing of heat sinks: precision cutting, drilling, skiving,deburring,fine blanking,soldering,bonding, punching, stamping,milling, CNC machining,polishing 2 ... oxidation process, powder coating, brushing, sandblasting,shot blasting,polishing,milling 3 Surface color: natrual ,black,matt black, green, red ...