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      1. 中文English

        NEWS CENTER

        SDS attended 2019 Smart China Expo

        On August 26, 2019, the Second Smart China Expo was held in Chongqing.

        19-11-22

        The first session training on VLC network construction was held

        On August 23, the Engineering Department of company organized the first-session training on visible light communication network construction...

        19-11-22

        Academician Wu Jiangxing and Director-General Shang Kui visited the company

        On the afternoon of May 12, Academician Wu Jiangxing of the Chinese Academy of Engineering visited the Chongqing High-tech Zone...

        19-11-22

        Jiulongpo District Mayor Liu Xiaoqiang visited the company

        On the morning of March 3, Jiulongpo District Mayor Liu Xiaoqiang visited the company...

        19-11-22
        人与动人物XXXX毛片人与狍,午夜爱爱免费视频无遮挡,风韵多水的老熟妇