1,aluminum LED heatsink, 2,ISO9001:2008 certification 3,20 years experience ... range; LED heatsink, LED hardware accessories, LED aluminium Parts,round aluminum heatsink,LED heat sink, led accessories, LED Lamp frame,shell ... parts.Extrusion die mouldAluminium extrusion die mould, porthole die, auluminum profile for machine/equipment/ lathe rai