+ISO9001:2008 CE RoHS for heat sink +Provide OEM service +Flexible MOQ:20pcs +mearly 10 years making experience Specification: ShenZhen YongPingTong could make all metalworks according to your requirement 1 Processing of heat sinks: precision cutting, drilling, skiving,deburring,fine blanking,soldering,bonding, punching, stamping,milling, CNC machining,polishing 2 surface treaments for heat sink ...