Zhaolong Interconnect as a professional Duplex fiber coupler(om3/om4) manufacturer and supplier in China, all the Duplex fiber coupler(om3/om4) have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent Duplex fiber coupler(om3/om4) in our product list, you can also contact us, we can provide customized services.