Chang?Zhou?Opal?is a guoup?tranding?company?who deal with wholesale,?Engineering and exporting business. Brand authorised by OSRAM German, LEDVANCE?and THORN?UK . Products scope covered with all kind of indoor and outdoor lamps, electrical appliances and germicida lamps. Intelligent control lighting system has ever won the title of CHINESE MINISTRY OF COMMERCE typical company. Top 500 enterprises?.