... 2012 new design 2. high strength,succinct shape,aesthetic appearance 3. Long lifetime, low maintenance cost it is our 2012 new design,Φ600mm,good choice for HID ... some advantages of this square lamp: The lamp shell: high strength,succinct ... lifetime, reliable performance, low maintenance costAPPLICATIONS:City beautiful project,high highway,main street,commercial center, residential areas, Coastal Road ...