Optical Cable, Fiber Cord, ODF manufacturer / supplier in China, offering CAT6/6A FTP Keystone Jack Tool Free 180 Degree Module up-Down, CAT6/6A/7 FTP Keystone Jack Toolless 180 Degree Module up-Down Crimping Direction, Cat5e/6/6A FTP Keystone Jack Tool Free 180 Degree Module up-Down Crimping Direction and so on.