ceiling led 1.Technology: stamping 2.Material:1050series aluminium plates 3.Advantage: fast convection,environment friendly radiator +headlamp E27+MCPCB+lens ceiling led seriesMaterial1050series aluminium platesTechnologyStamping, automatic assembly line, without weldingAdvantagesLarge area heat dissipation, light weight, fast convection ,low temperature keptThermal ConductivityUp to 53Angles25°, ...