Tokyo Ohka Kogyo (TOK) has completed a new manufacturing building for semiconductor photoresists at its Koriyama Plant in Koriyama City, Fukushima Prefecture, with a building area of 4,800 square meters…
Tokyo Ohka Kogyo has completed construction of the Pyeongtaek Plant in Gyeonggi Province, South Korea, at its consolidated subsidiary TOK Advanced Materials. Phase 1 includes a high-purity chemical manufacturing building…
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