Satto complied with these requests without hesitation, as this granted him formal license to trade with the most powerful nation in the region. He sent his younger brother Taiki (泰期) to Nanjing in 1374, as the leader of a mission to formally submit to China, entering into tributary and trade relations.
Satto readily conformed to these demands without delay, as this enabled him to obtain formal permission to engage in commerce with the most dominant power in the area. He dispatched his younger brother Taiki (泰期) to Nanjing in 1374, serving as the leader of a mission to formally acknowledge China's supremacy and establish reciprocal trade relations.