| July 1979 | 
                  Akira Takai establishes Soei Sogyo CO.,Ltd.in Hirooka-machi, Kanazawa City | 
										
										
                  | April 1980 | 
                  Commences manufacturing Perfector boiler(spherical)plants | 
										
										
                  | August 1985 | 
                  Builds new office in Tatsunokuchi-machi, Nomi-gun | 
										
										
                  | April1986 | 
                  Manufactures thin deep fried tofu (Age)automated processing equjpment | 
										
										
                  | February 1989 | 
                  Manufacturers firm (Momen)tofu automated curding and molding equipment | 
										
										
                  | June 1989 | 
                  Develops firm (Momen)tofu on-belt packing equipment | 
										
										
                  | October 1989 | 
                  Becomes Soei Co.,Ltd.(President: Akira Takai) | 
										
										
                  | September1991 | 
                  Develops thin deep fried tofu (Age)dough fryer automated feeder for molding | 
										
										
                  | February 1993 | 
                  Develops soft(Kinu)tofu(belt type)continuous curding processing line | 
										
										
                  | June 1993 | 
                  Manufactures Momen(firm)tofu continuous curding processing equipment | 
										
										
                  | April 1998 | 
                  Hitoshi Takai assumes presidency | 
										
										
                  | June 2002 | 
                  
												 Manufactures firm(Momen)tofu continuous curding and molding equipment CIP washing system 
											 | 
										
										
                  | April2004 | 
                  Develops and manufactures firm(Momen)tofu compact processing line | 
										
										
                  | October 2004 | 
                  Hitoshi Isobe assumes presidency | 
										
										
                  | June 2005 | 
                  Newly inaugurated as SOEI Co.,Ltd.(wholly-owned subsidiary of Njchimo Co.,Ltd.) | 
										
										
                  | October 2005 | 
                  Increases paid-in capital to 300 million yen | 
										
                
                   
                  January 2009 | 
                  IDevelops Deep Fried tofu curding system(Neo Star) | 
                
                
                  | June 2013 | 
                  Takao Yamaguchi assumed president | 
                
                
                  | June 2017 | 
                  Takashi Eriguchi assumed president |