Grain officer of Shanhu County. He personally receives Wei Lan and guides her and Ming Yi through rice fields and irrigation facilities in midsummer. He explains the different planting cycles including single, double, and triple-crop fields, and the challenges of water management. He shows the dragon bone waterwheel, tube wheels, and reservoir with flood regulations dating back to the Hongwu era. He appears somewhat evasive when questioned about rice yields, initially giving a bureaucratic answer before revealing the detailed breakdown from the Fish Scale Records.
