As the Seji Bocheongi has developed and manufactured the hearing aid for the people who have a difficulty in hearing, it has marketted the product through the distributors.
  
Since the establishment in 1981, it has been concentrating its all effort to increase the productivity with R & D to be the hearing-aid company based on the reliability by introducing the new models such as pocket-type, earring-type, glass-type, and in-ear type hearing aids.

As the company has occupied most of parts in domestic market under the company name, Segistar, it has exported the products to 150 countries including U.S., Britain, Turkey, and Yordan.