... WhiteColor temperature2700K ~ 6500KMaterialAluminum alloy + PCCertificationCE, ROHS,Features Light Technical Characteristics: Luminous Efficiency: 90-110Lm/W(cool white ... such as Ceiling lamps, track light, down light, bulb, lamp cup, tube light and other LED prodcuts 2013 Cheap ... and strict enforcement ISO9001:2008 international quality management system, so that my company manufactured LED product ...