Ronald Planet was a rather famous planet in the Belen Star Region, its diameter was dozens of times that of Earth. From the vastness of space, it appeared as a massive metal sphere, its civilization having developed over billions of years, reaching a third-tier advanced level.
Their forte was mechanical technology. The exquisite mechanical craftsmanship of theirs received high praise throughout the universe's civilizations.
Large mechanical factories could be seen everywhere on Ronald Planet. For a civilization to develop, it needed a lot of funds since advanced technologies were never given freely by other civilizations. Therefore, exporting various mechanical products became their largest industry.
