Also referred to as Daming, she is Wang Dacheng's sister (sister-in-law, married to Du Weihai). She is highly intelligent and strategic, having risen to become a section chief (section-level cadre) at a machinery factory, earning over 100 yuan per month. She devised the plan for Wang Dacheng to build his reputation by claiming he had a well-connected relative, and orchestrated the nighttime operation to overthrow Wang Zhian. She is described as patient, composed, and always greeting everyone with a smile.