+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 ... , punching, stamping,milling, CNC machining,polishing 2 surface treaments for heat sink clear anodizing, oxidation process, powder coating, brushing, ...