Zibo Mingxin Chemical Co., Ltd., (predeċessur ta 'Ruihai Group) Stabbilit fil Zhangyi Industrial Park ta' Fengshui Town.
2004
Zibo Minda Chemical Co, Ltd Imwaqqfa f'Nanwang Fine Chemical Industry Park, Distrett ta' Linzi.
2006
Huludao Jingdong Furan Chemical Co, Ltd Imwaqqfa fiż-Żona Industrijali ta 'teknoloġija għolja ta' Huludao City.
2007
Zibo Mingxin Chemical Co., Ltd Rilokazzjoni u espansjoni f'Nanfeng Village, belt Fengshui (Zhangdian Southern Industrial Zone), issa l-impjant ta 'produzzjoni fin-nofsinhar ta' Shandong Ruihai Mishan Chemical Co., Ltd.
2013
Shandong Dadihanxiang Chemical Co, Ltd Imwaqqfa fiż-Żona Kimika tal-Baħar ta 'Weifang City.
2016
Shandong Ruihai Mishan Chemical Co, Ltd Imwaqqfa f'Qilu Chemical Industrial Zone.
2018
Fergħat barranin tal-Każakstan u l-Użbekistan
2020
2020-Shandong Ruihai Chemical Industry Technology Research Institute, Stabbilit fiż-Żona Industrijali Kimika ta 'Qilu.
