---
title: "Toyo Engineering Korea wins Hantok contract to build TMAH plant in South Korea"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293267899.md"
description: "Toyo Engineering Korea secured a contract from Hantok Chemicals to construct a TMAH production plant in Pyeongtaek, South Korea. The project supports semiconductor supply chains and includes procurement, construction, and commissioning support, with completion targeted for fiscal year 2027. This initiative aligns with Hantok's goal to expand its existing TMAH capacity by 50%. Hantok is a joint venture between Tokuyama and Lotte Chemical."
datetime: "2026-07-21T01:04:23.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293267899.md)
  - [en](https://longbridge.com/en/news/293267899.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293267899.md)
generator: "portal-rs"
---

# Toyo Engineering Korea wins Hantok contract to build TMAH plant in South Korea

-   Toyo Engineering Korea won a contract from Hantok Chemicals to build a TMAH production plant in Pyeongtaek, South Korea, for semiconductor supply chains. \* Work covers selected procurement, construction, commissioning support; project completion scheduled for FY 2027. \* Hantok, a 50:50 Tokuyama–Lotte Chemical venture, targets a 50% expansion of existing TMAH capacity. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Toyo Engineering Corporation published the original content used to generate this news brief on July 21, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**