... is our 2012 new design,Φ600mm,good choice for HID light source or LED it is our new design,for big ... to install,easy to repair.Applicative light source:metallic halide lamp,energy saving, high pressure sodium lampWorking environment:- ... energy saving2. high strength,succinct shape,aesthetic appearance3. Long lifetime, low maintenance cost4. OEM welcome 2012 new design energy saving LED round light