... AL6005 or else 2.Finish: various anodizing color 3.Width:100-5000mm 4.Deliverability:150T/month profile Aluminum heat sink ... are mainly in the use of smaller models, compared with other heat sink, low cost, good heat dissipation. ... machining,cnc machining.3)we can provide good quality with reasonable price. as u can see on our ... competitive price to u. large aluminum heat sink with long width or length