In1971Establishment of Changwei Zhuliudian Coking Plant
In 1992Renamed Shandong Yuandu Chemical Group Zhuliudian Coking Plant
In 1997Renamed Shandong Marine Chemical Industry Group Weifang Zhenxing Coking Co.,Ltd.
In 2003The ownership of the company was changed from state-owned to private holding.
In 2007Renamed Shandong Weijiao Group Co., Ltd.
In 2016Establishment of Shandong Weijiao Holdings Group Co., Ltd.