+ISO9001:2008 CE RoHS for Die cast hardware parts in high quality +Provide OEM service +Flexible MOQ:20pcs +mearly 10 years ... all metalworks according to your requirement 1 Processing of heat sinks: precision cutting, drilling, skiving,deburring,fine blanking,soldering,bonding ... 6.Structure: 9-curved model steel, welded by the high quality professional 3-ways-connected structure.7.IP55,IP56,IP65,IP66 ...