The Fiber Optic Business unit provides a
comprehensive optical communication solution.

The Fiber Optic Business unit develops and manufactures essential parts for building an optical communication-related
wired network infrastructure and provides a comprehensive optical communication solution. The main products supplied
by the Fiber Optic Business unit are FTTH, optical junction box, optical terminal box, optical distribution box, power distribution panel,
and optical accessories necessary for the connection of the upper part groups. The product can be used anywhere from the
telecommunication company to the users' premises. In addition, by securing intellectual property rights related to each product,
we are supplying optical junction boxes and other products to the big three Korean domestic telecommunication companies,
KT, SK, and LG. We are implementing quality management that prioritizes creating products that the
customers can trust and be satisfied with.