en.Wedoany.com Reported - Handuk Chemical Co., Ltd. has commenced construction of a production plant for semiconductor and display developer (TMAH) in the Poseung area of Pyeongtaek, Gyeonggi Province. The project, with a total investment of 130 billion won, aims to support the expansion of the South Korean semiconductor cluster and enhance supply chain stability.
TMAH is a core material used in the development process of fine circuit patterns during semiconductor and display manufacturing. Handuk Chemical, a subsidiary of Lotte Chemical Group, has invested a total of 130 billion won to build production facilities on approximately 32,216 square meters of land. The company plans to expand production lines in phases based on the additional capacity plans of its client companies.

Handuk Chemical holds the world's largest production capacity for semiconductor developer and is the sole manufacturer in South Korea. Founded in 1995, the company is a 50:50 joint venture between Lotte Fine Chemical and Japan's Tokuyama Corporation. Lotte Chemical Group operates a vertically integrated production system, from Lotte Fine Chemical's basic raw material TMAC to Handuk Chemical's final product TMAH.
This groundbreaking marks the addition of a production base in the Seoul metropolitan area for Handuk Chemical, complementing its existing Ulsan plant. The dual-location production base will help the company respond to global supply and demand fluctuations, improve logistics efficiency, and enhance supply response speed. At the groundbreaking ceremony, over 70 attendees were present, including Lotte Holdings CEO Noh Jun-hyung, Lotte Chemical Group CEO Lee Young-joon, Lotte Fine Chemical CEO Jung Seung-won, Handuk Chemical CEO Ahn Hyo-taek, Tokuyama Chairman Yokota Hiroshi, Gyeonggi Economic Free Zone Authority Commissioner Kim Neung-sik, and Pyeongtaek Deputy Mayor Lee Seong-ho.
Lotte Chemical Group CEO Lee Young-joon stated that the groundbreaking of the Pyeongtaek plant is a strategic investment to proactively address future demand and a crucial step in strengthening Lotte Group's advanced materials business. By dualizing production bases to Ulsan and Pyeongtaek, the company can ensure a stable supply system and reinforce the supply chain stability of the domestic semiconductor cluster.
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