Consistent Electronic Materials, Inc. (CEMI / 恆煦電子材料股份有限公司) is a Taiwan-based semiconductor material manufacturer with deep expertise in photoresist chemistry and process-critical specialty chemicals.

恆煦電子材料股份有限公司（CEMI）是一家專注於光阻化學與製程關鍵特用化學品的台灣半導體材料製造商，擁有深厚的技術積累。

We explore emerging applications across IC front-end fabrication and advanced packaging, delivering products that exceed industry expectations. Our global patent portfolio of over 70 granted patents — covering Taiwan, China, the USA, and PCT — reflects our commitment to continuous innovation.

我們積極探索IC前段製程與先進封裝等新興應用領域，持續提供超越業界期望的產品。涵蓋台灣、中國、美國及PCT的逾70項已授專利，展現了我們對持續創新的堅定承諾。

With a 3,000 m² facility and a 600 m² Class 1,000 (ISO Class 6) clean room in Toufen, Miaoli, Taiwan, CEMI operates at the quality and precision standards demanded by leading semiconductor manufacturers.

坐落於台灣苗栗縣頭份市，CEMI擁有3,000平方公尺廠房及600平方公尺Class 1,000（ISO Class 6）無塵室，以半導體龍頭廠商所要求的品質與精密標準全力運營。