"Developers of ECO-Friendly Marine Leisure" People want to admire the underwater scenery - easily and safely. Raonhaje fulfills these demands by providing Compact Semi-Submarines equipped with State-of-the-Art technology. Raonhaje goes a step further. We always think of the environment - the future of our oceans. We want to allow our future generations, our children, to also enjoy the privileges that we have. That is why we constantly research for a cleaner solution.