Fidelis (Xiamen) Technology Co., Ltd. Your Global Partner for Capacitor Base Film and Metalized Film Solutions It is a high-tech enterprise that integrates industry and trade, specializing in the R&D, manufacturing, and export of high-performance metalized films. We combine upstream core material production with downstream device manufacturing, establishing an efficient, reliable, and self-controlled robust supply chain to provide global clients with one-stop product solutions and superior service.