... it is our 2012 new design,Φ600mm,good choice for HID light source or LED it is our new design,for big quantity,we ... picture later. We have some advantages of this square lamp: The lamp shell: high strength,succinct shape,aesthetic appearanceReflector is made ... to install,easy to repair.Applicative light source:metallic halide lamp,energy saving, high pressure sodium lampWorking environment:-35°C--+ ...