朱: Vermilion, a deep red hue; the name of a mineral; an ancient geographical location; and a surname.
库: The characters "库仑" and "仓库" in names often symbolize abundance, prosperity, ample resources, and a state of being well-supplied.
Meaning: As a transliterated name, 'Zhu Ku' harmonizes in sound, with simple characters, symbolizing stability and reliability.