... .SPCC COLD ROLLED STEEL 2,19" STANDARD INSTALLATION 3,SIZE:416*204*43MM 4,12 ,24 PORTS ... manufacturer who commits in the resolutions of wiring cable management, fiber optic transmission systems and network access equipments, collecting R ... the world. Main products: fiber optic connector and parts, optical adapter, fiber optic attenuator, patch cord, fiber optic terminal box, fast connector and ...