... ISO1400 certificate 3. Cold Casting, Extrusion, CNC Effectively Improves Heat Dissipation for LED Road Light1) Alloy6061,6063,6063B,6060,6005,6N012) Alloy ... 9.straightener 10.anodized4)Anodized Colour:silver, red, champagne, black, blue, bronze and so on.5)Machining procedure:die casting ... mould,extrusion ,CNC (milling finish),cutting,anodized Effectively Improves Heat Dissipation for LED Road Light