WOORIRO CO., LTD. is engaged in the manufacture and sale of optical splitters. It operates throught the following business divisions: Optical Splitter, Photodiode, System Integration (SI) Business, and New Business. The Optical Splitter division offers planer lightwave circuit wafers, chips, and modules. The Photodiode division manufactures photodiode chips and modules. The SI Business division offers services in bigdata analysis and cloud server. The New Business division engages in Internet of Things industry. The company was founded on December 29, 1998 and is headquartered in Gwangju, South Korea.