These rented ships were used for Kenminsen after conducting major renovation such as the installation of hull fittings suitable for ocean navigation and the expansion of cabins for diplomatic envoys or influential merchants.
遣明船として遠洋航海用に艤装品を充実させ、外交使節や有力商人などの居室用の屋形を増設するなど大規模改修を行って用いた。