Telefield Inc. Reports Earnings Results for the Full Year Ended December 31, 2022

Hanwool Materials Science Inc is a Korea-based company primarily engaged in research and development, manufacturing, and sales of optical transmission equipment. The Company operates business through two segments. The Telecommunications segment engages in research and development, manufacturing and sales of distributed control systems (DCS), channel multiplexers (MUX), multi-service provisional platform (MSPP) and packet transport networks (PTN) and others. The Artificial Intelligence and Internet of Things segment engages in manufacturing and sales of gateways, fire sensors, gas sensors, and emergency pagers and others.