... more than 25000h, no ultraviolet and infrared radiation.3.Aluminum die casting lamp body, surface treated by powder spraying.4.The lampshade ... ,hospitals, ,markets, and other places Our factory We ever cooperated with CREE ,OSRAM and other famous companys in the world .And ... offer CE,ROHS,UL,FCC and PSE approves . 5w Led Die-casting downlight Factory audit