Having said that, the growth of trade and industry introduced new wealth to Nanjing, Primarily to Xiaguan. Weaving, pottery, printing, and brocade making were the primary industries. Oceangoing vessels employed by Zheng He in his famous fifteenth-century expeditions to the South Seas ended up in-built the shipyards for the northwest https://www.healthline.com/health/dental-and-oral-health/tonsil-stones