尊凯时龙人生就是博

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    Introduction
    Honor
    History
    Culture
    2016
    Formation of Shandong Weijiao Holding Group
    2007
    Renamed Shandong Weijiao Group Co., Ltd.
    2003
    The company was restructured from state-owned to privately held
    1997
    Renamed Shandong Ocean Chemical Group Weifang Zhenxing Coking Co., Ltd.
    1992
    Renamed to Shandong Liudu Chemical Group Zhuliudian Coking Plant
    1971
    Established Zhuliudian Coking Plant in Changwei District