ZTT fiber optic cable has a construction of optic fiber, loose tube or tight buffer or semi-tight buffer, strength members (FRP, Steel wire, Aramid yarns, Glass yarns, etc.), water blocking material (tube jelly, cable jelly, water blocking yarns, water blocking tape, etc.), armor (steel tape, aluminum tape, steel wire armor, FRP armor, etc.), cable sheath (PE, AT, LSZH, FRPE, PVC, Nylon, etc.). Meet with all kinds of operating environment.