The Period of Disunion was a time the chinese wanted to escape pain, so they meditated through Buddhism.
The Song Dynasty achieved lots of new farming techniques. They made dragon backbone, where they could have one person do multiple jobs. They also have a portable pump, where they could scoop up water and pour it into an irriagtion canal.
The Tang Dynasty was a time where they discovered gunpowder and made fireworks and rockets. They even made a catapult.
The Yuan Dynasty was a time when China was ruled by Genghis Khan. They killed innocent people and took over there land and within 20 years they had a large portion of Asia.
The Ming Dynasty is when China defeated the Yuan Dynasty. The Ming Dynasty improved their ships and sailing skills. In 1405, Zheng He led 7 voyages, around Asia.
The Sui Dynasty had great ecomony, had a great military and was legailistic.