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    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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