This book takes the international market demand for Chinese tung oil as the center point, sorts out the scale of China's tung oil exports in modern times, and examines the development process of tung oil trade in modern times, the business activities of Chinese and foreign dealers, the regional structure and distribution system of the transportation market, central and local management and control, etc. The cost and profit of tung oil production and transaction are calculated, and the impact of tung oil production, transportation, marketing and export on the modern economic development of the Yangtze River Basin is relatively objectively reviewed. This book describes in detail the entire process of modern tung oil production, planting, acquisition, processing, transportation, inspection, and export, and shows the development and evolution of tung oil production and trade in modern times.