+ISO9001:2008 CE RoHS for CNC processing parts +Flexible MOQ:20pcs +mearly 10 years making experience + ... YongPingTong could make all metalworks according to your requirement 1 Processing of heat sinks: precision cutting, drilling, skiving,deburring,fine ... powder coating, brushing, sandblasting,shot blasting,polishing,milling 3 Surface color: natrual ,black,matt black, green, red,yellow,silver,white, ...