... Profiles from dongguan factory Sun Flower Aluminium Extrusion Heatsink Profiles Meterial:AL 6063 6061/T5/ ... bonding, punching, stamping,milling, CNC machining,polishing2 Surface finish for heat sink:clear anodizing, oxidation process, powder coating, brushing ... ,not just a manufacturer.Precise dimensionsCE,ROHS compliant for request;Drawing design correctionFree engineering service;Total project ...