The Cantonese Dub aired in Hong Kong sometime in 2000 to 2001. Only one season was aired as the reception was poor. The name of the Cantonese version is called One Piece.
The Mandarin Dub aired in Mainland China sometime in 2001 to 2003. Only three seasons were aired, but the third season stopped halfway in its airing to make way for another manhua anime that was from China itself. The name of the Chinese version is called 航海王, translated as “Sailing King”.