CMTX Co., Ltd. (Ticker: 388210 KS) is a South Korean company specializing in semiconductor materials manufacturing. The firm produces high-function precision parts for etching and deposition processes in semiconductor front-end fabrication, focusing on silicon ingots, sapphire, and ceramic-based components used in reaction chambers and high-temperature, high-chemical environments. CMTX conducts all business in South Korea, with headquarters in Gumi-si, Gyeongsangbuk-do.

CMTX plans to list on KOSDAQ on November 20, 2025, offering 1,000,000 primary shares at KRW 60,500 each, raising KRW 60.50 billion (USD 43.12 million). The market capitalization at offer is KRW 561.18 billion (USD 400.01 million). The IPO is managed by Mirae Asset Securities, with 75% allocated to institutions and 25% to retail investors.