At the 11th Chinese national games in 2009, Sui led the Shanghai team as their key gymnast. She competed and successfully executed on all 4 apparatus in the team final. Her final spectacular floor performance allowed the trailing Shanghai team to upset the Guangdong team by 0.125 points and take the gold. She also achieved bronze in the all-around, gold on floor and bronze on balance beam, receiving a total of four medals at the 11th national games.