Outstanding Quality to Satisfy Customers                 

品質卓越,顧客導向

Innovation and Technology Development for Continuity                                                                       

創新研發, 永續經營

To be a paragon of Taiwan Semiconductor manufacturers in Q. C. D. S and IT.                               

在Q,C,D,S 及 IT 方面成為台灣半導體的典範

Q-Quality,  C-Cost,  D-Delivery,  S-Service                 

IT-Information Technology