2003. 03 Developed and provided Subminiature Drier for farm products for spread to farmhouses
2001. 01 Established Dongil D.M.C Co., Ltd. as a Corporation
 
1998. 01 Developed and provided Marine Products Drier for seaweed and kelp
1995. 02 Developed and provided Side Wind Type Drier for farm & marine products
 
1988. 01 Developed and provided Bottom Wind Type Drier for farm products
1987. 03 Developed and provided Bulk Drier for leaf tobacco dry
1985. 01 Built new factory and moved to Daegu Seongseo Industrial Complex.
 
1975. 01 Developed and provided Burning Furnace by briquet for leaf tovacco dry.
  Established Dongil Industrial Co.
1974~ Registered 23 designs and 1 utility model.