HMN TECH.HMN TECH is a marine communication systems provider established in 2015, specializing in delivering integrated system solutions for transoceanic communications, subsea observation, underwater special operations, offshore oil and gas platforms, and marine renewable energy sectors. The company's core products span key equipment ranging from preforms and marine optical fibers to submarine cables, repeaters, and splitters, establishing a complete submarine cable communications supply chain. This provides robust technical and product support for constructing and maintaining global and regional submarine information transmission networks.