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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