25G SFP28 DAC, MOP Fiber Optic Patch Cord, DAC Cable have a wide range of market areas, and are highly praised by consumers. We are sincerely invited to join us to realize our ambition. We're professional 40G QSFP+ DAC manufacturers in China, specialized in providing high quality optical fiber transceiver with low price. We warmly welcome you to wholesale bulk discount 40G QSFP+ DAC from our factory.