... /30557 Scope: Design and assembly of LED traffic signal lights, LED street lights, solar road lights and LED tunnel lights for ... Centre CQC12701067685 Recessed Luminaires for LED Modules (LED Downlight, Ceiling Recessed, Electronic Controlgear for LED Modules, Class II, IP20, ... 30531 Scope: Design and assembly of LED traffic signal lights, LED street lights, solar road lights and LED tunnel lights 2011 ...