Aluminum housing LED heat sink extrusion 1.Material:AL6063-T5.6061,6060 2. ... design and requirement.Certificate:ISO9001,SGS, Factory Audit, Supplier Assessment Report(s)Terms of Delivery:FOB, EXW, FCA, CFR, CIF, DDU ... .Payment terms:L/C, TT, Western union Aluminum alloy housing LED heat sink extrusion