Besides these events of purely religious interest there were others in the political order: through their initiative a more active trade was established between Indo-China, the Indies, and France; embassies were sent from place to place; treaties were signed.
In 1702, Artus de Lionne, Bishop of Rosalie, and missionary of the Paris Foreign Missions Society brought one of the first Chinese to France, Arcadio Huang, who created the basis for the study of the Chinese language in France.