Zibo Mingxin Chemical Co., Ltd., (voorganger van Ruihai Group) gestig in Zhangyi Industrial Park van Fengshui Town.
2004
Zibo Minda Chemical Co., Ltd. Gestig in Nanwang Fine Chemical Industry Park, Linzi-distrik.
2006
Huludao Jingdong Furan Chemical Co., Ltd. Gestig in die hoë-tegnologie industriële sone van Huludao City.
2007
Zibo Mingxin Chemical Co., Ltd. Hervestiging en uitbreiding in Nanfeng Village, Fengshui-dorp (Zhangdian Southern Industrial Zone), nou die suidelike produksie-aanleg van Shandong Ruihai Mishan Chemical Co., Ltd.
2013
Shandong Dadihanxiang Chemical Co, Ltd Gestig in Marine Chemical Sone van Weifang City.
2016
Shandong Ruihai Mishan Chemical Co, Ltd Gestig in Qilu Chemiese Industriële Sone.
2018
Kazakstan en Oesbekistan oorsese takke
2020
2020-Shandong Ruihai Chemiese Nywerheid Tegnologie Navorsingsinstituut, gestig in Qilu Chemiese Nywerheidsone.
