A modern fiber optic cable factory is a symphony of precision zones, each optimized for its role. Dekam Fiber's flagship plant, for example, spans five core areas: Raw Materials & Preform, Fiber Drawing, Coating & Buffering, Stranding & Jacketing, and Testing & Packaging. Fiber Optic Cable Manufacturing Process The manufacturing process of optical fiber cables consists of several stages, including fiber production, cable sheathing, cable assembly, and testing. Fiber production involves the drawing of glass or plastic fibers from preforms.