Shenzhen GONGRONG industry CO.,LTD, a high-tech enterprise devoted to developing, manufacturing and marketing, We are specializes in LED traffic signal lights ,led streetlight ,outdoor /indoor LED display and other LED applied products. We are one of the largest manufacturer, supplier and exporter of LED display Our LED traffic lights have passed CE and ITE approval, and LED display has CE Certificate .The factory strictly carries out the ISO9001/2000 quality control system .
"GONGRONG" relies o...
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