+Flexible MOQ:20pcs for computer chassis +Short delivery time:7-25days +mearly 10 years ... price Specification: ShenZhen YongPingTong could make all metalworks according to your requirement 1 Processing of heat sinks: precision cutting, drilling, ... bonding, punching, stamping,milling, CNC machining,polishing 2 surface treaments for heat sink clear anodizing, oxidation process, powder coating, brushing, ...