1.2012 new design 2. high strength,succinct shape,aesthetic appearance 3. Long lifetime ... 2012 new design,Φ600mm,good choice for HID light source or LED it is our new design,for big quantity ... and dustproof performanceEasy to install,easy to repair.Applicative light source:metallic halide lamp,energy saving, high pressure sodium ... cost4. OEM welcome 2012 new design energy saving LED round light