Optical Fiber Machine, Optical Fiber Cable Machine manufacturer / supplier in China, offering Preform of Fluorine-Doped Gradient Fiber, 700~2200nm Refractive Index Profile of Working Wavelength, Dia 12.5mm 2-24 Core Easy to Install Optical Power Composite Fiber Cable, 74~84c Gytza Armored Flame-Retardant Optical Fiber Cable and so on.