昇陽國際半導體成立於1997年，以晶圓再生處起家，進而發展晶圓薄化處及晶圓整合處。以技術創新與品質優先為目標，創造多樣性產品組合，提供客戶更具競爭力的全方位服務。掌握領先的技術、專業的整合能力及敏銳的市場洞悉，期深化客戶長期夥伴關係，與客戶共創利潤的雙贏局面。 綠色能源產業崛起，於2006年跨足「鋰電池」設立能源事業處，生產100% 台灣製造鋰電池芯與電池組。積極提升電池性能及安全性，發展全線自動化達到品質一致性，大幅降低成本，為企業與客戶永續經營而努力，並以珍惜產業資源與創造利潤為目標。

Phoenix Silicon International was established in 1997, and was started from Wafer Reclaim Department. Then, it developed to Wafer Thinning Department and Wafer Integration Department. PSI takes technological innovation and high quality as the goals, to create a diversity product portfolio and provide customers with more competitive services. PSI owns leading technology, professional integration ability and keen market insight. It is expected to deepen long-term partnerships with customers and create a win-win situation of profit. PSI was grown up from energy industry, and entered into lithium battery in 2006 and set Energy Business Department to produce 100% Made in Taiwan lithium battery cell and the battery pack. PSI improves battery performance and safety actively, and developed full range of automation to achieve quality consistency, reduce the cost dramatically and make efforts for sustainable management of businesses and customers. Furthermore, PSI takes industry resources cherishing and profits creation as the target.