★ Metal ferrule assemblies, or special pigtail assemblies for welding with optical modules such as CWDM, DWDM; ★ One end of the Fiber Pigtail is terminated with an angled polished SUS metal ferrule, another end terminated with various connector interface (such as FC, SC, LC, etc); ★ Customized configurations and designs with specific lengths, ODs and angled polishing; ★ Customer specified metal materials (SUS303,SUS304,SUS316,SF20T,etc.); ★ High precision dimensional tolerance control (micron-level) and precision polished ferrule end-face to ensure high coupling efficiency of optical devices.