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Ou Ma's 600wLED cutting lights (Ares-P6), 4-in-1-60wLED computer shake head lights (Eos-B4) and 3-in-1 computer lights (Moore330) added luster to the 7th Qiandongnan Tourism Industry Development Conference. The bright and rugged light beams lit up the night sky in congjiang county. The colorful lighting effects matched the stage and gave a splendid performance of an original ecological national cultural feast.