+ISO9001:2008 CE RoHS for CNC processing parts +Flexible MOQ:20pcs +mearly 10 years making experience +Resonable price ... metalworks according to your requirement 1 Processing of heat sinks: precision cutting, drilling, skiving,deburring,fine blanking,soldering,bonding, punching, ... .6.Structure: 9-curved model steel, welded by the high quality professional 3-ways-connected structure.7.IP55,IP56,IP65 ...