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      2. About
        2015

        Purchased Shenzhen DONZHI Technology Co., Ltd. and Chengdu Fuliye Electronic Technology Co., Ltd., for the transformation into the intelligent Network and military industry information

        A joint venture- Shandong SDG Light Source and Optical Communication Co., Ltd., was founded


        2014

        winning the honorary title “National Enterprise Technical Center”



        2013

        The joint venture –Changzhou SDG Huayin Wire and Cable Co., Ltd. was founded



        2012

        SDG Information Chongqing Optical Cable Co., Ltd., was founded

        2011

        1200-slotted core optical cable in China with most core numbers and the latest structure in the world

        The only first-inspection qualified enterprise in the national “Power Sky Road” Engineering Project

        2009

        a joint venture –Shenzhen SDG Information Optical Cable Co., Ltd., was founded

        Shenzhen SDG Information Optical Technology Co., Ltd., was founded

        2008

        optical cable products applied in Olympic venues

        intelligent optical access system won National Scientific and Technological Innovation Award

        2006

        Annual output doubled 1 million KMF

        2005

        First 10KV OPPC optical cable utility line

        2000

        Publicly listed in Shenzhen Stock Exchange (Stock Code: 000070)

        1999

        SHENZHEN SDG INFOMATION CO., LTD. (SDGI), was officially registered for its establishment

        1992

        The first large-span optical cable without connectors in China– No. 1 Cable over the Yellow River

        The first ADSS optical cable in China– No. 1 Cable over the Yangtze River

        1988

        One of its predecessors – Shenzhen Optical Communication Networks Co., Ltd., represented one of the earliest companies in China producing and developing the Optical fiber and optical cable.

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