A middle-aged police officer from the Baicheng Public Security Bureau, approximately forty years old with a crew cut and a firm, resolute face. He led the screening at the lumber yard investigating the recent Green Soil explosion, specifically looking into people who purchased both fertilizer and diesel. He questioned Xu Zhengyang but ultimately left without suspicion after hearing Xu Zhengyang's explanations about the fertilizer for his wheat field and greenhouse, and the diesel generator for power.
