Zibo Mingxin Chemical Co., Ltd. (forgænger for Ruihai Group) etableret i Zhangyi Industrial Park i Fengshui Town.
2004
Zibo Minda Chemical Co., Ltd. Etableret i Nanwang Fine Chemical Industry Park, Linzi-distriktet.
2006
Huludao Jingdong Furan Chemical Co., Ltd. Etableret i den højteknologiske industrizone i Huludao City.
2007
Zibo Mingxin Chemical Co., Ltd. Flytning og udvidelse i Nanfeng Village, Fengshui by (Zhangdian Southern Industrial Zone), nu det sydlige produktionsanlæg for Shandong Ruihai Mishan Chemical Co., Ltd.
2013
Shandong Dadihanxiang Chemical Co., Ltd. Etableret i den maritime kemiske zone i Weifang City.
2016
Shandong Ruihai Mishan Chemical Co., Ltd. Etableret i Qilu Chemical Industrial Zone.
2018
Kasakhstan og Usbekistan i udlandet
2020
2020 - Shandong Ruihai Chemical Industry Technology Research Institute, etableret i Qilu Chemical Industrial Zone.
