Zhaolong Interconnect as a professional QSFP-DD to QSFP-DD 400G DAC manufacturer and supplier in China, all the QSFP-DD to QSFP-DD 400G DAC have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent QSFP-DD to QSFP-DD 400G DAC in our product list, you can also contact us, we can provide customized services.