... /UPC/APC SM Simplex 3.0mm fiber optic patch cord1. RoHS compliant fiber cable 2.small diameter 3. patch cord ... to the fiber optic lind .It is mormally used between the optical line teminal with the optical cable terminal box ... mainly specializes in developing and manufacturing optical fiber(patch cord) optic communication equipment,optic cable ,electric cable ,adaptor,attenuator,conector ,lan ...