Hantok Chemicals breaks ground on TMAH plant in Pyeongtaek

Hantok Chemicals, an affiliate of LOTTE Chemical Group, broke ground on a new TMAH production plant in Pyeongtaek, South Korea, with a KRW 130 billion investment to expand semiconductor-grade TMAH production capacity.

“Hantok aims to increase its current TMAH production capacity by 50% in the future.”tokuyama.co.jp

• 2 sources
• tokuyama.co.jpTokuyama Announces Construction of Hantok Chemicals' New Pyeongtaek Plant - Expanding TMAH Production Capacity in South Korea -Jun 19, 2026
• lottechem.comLOTTE ChemicalLOTTE ChemicalJun 19, 2026

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