TOKYO OHKA KOGYO Co., Ltd. decided to construct a new manufacturing building in Koriyama Plant with the aim of further improving product quality and expanding supply capacity. It is planned to be the largest photoresist manufacturing facility in Japan. With the new manufacturing building designed to be a smart factory with automated and digitalized production lines, aim to pursue a high level of safety and production efficiency and manufacture photoresists of the world's highest quality.

The company also built a new inspection building in the Koriyama Plant in July 2022, contributing to the improvement of product quality and inspection efficiency.