In fact, every country in the world has some graduates who have studied abroad in the Great Tang Empire, and these graduates have indeed brought modern naval technology back to their motherland.
This is part of the Great Tang Empire's conscious and planned technology diffusion. They need such talents to exert influence in their respective countries, ultimately impacting decision-making in various nations to make choices favorable to the Great Tang Empire in weapon procurement, promotion of commanders, and so forth.
Indeed, the Great Tang Empire has achieved its desired goals. The mid and lower-level commanders of various nations are all fans of the Great Tang Empire, and all aspire to transform their military into an invincible force like that of the Great Tang Empire.
