What is the relationship between Zhang Xiaojuan and Guo Shijie?

Zhang Xiaojuan and Guo Shijie are husband and wife. According to relevant data, as of April 15, 2023, the two married in 2004 and became a happy couple. Zhang Xiaojuan and Guo Shijie have made great achievements in their careers, and their marriage relationship has also been praised by the outside world. They respect each other, support each other, understand each other and create many excellent works together.