Alarm Cable, Fire Alarm Cable, Speaker Cable manufacturer / supplier in China, offering OM1 Loose Tube Directly Burried Light-Armored CST GYTS Optical Fiber Cable, Single Mode OM1 Loose Tube Light-Armored CST GYTS Optical Fiber Cable, 12 Strand Multimode Om1 62.5/125 St-Upc Fiber Pigtail for Networks Communication and so on.