桐油是两湖地区传统的农业、手工业产品。近代以来,桐油作为工业油漆的重要原料被广泛应用,随着欧美等国工业的迅速发展,桐油的国际市场需求激增,桐油逐渐成为中国对外出口的重要商品。民国时期,桐油贸易得到了前所未有的发展,中国政府及桐油商为应对国外对桐油的需求和品质的要求,努力促进农业改良、改进榨油技术及包装等。与此同时,国民政府为推动贸易的 Tung oil is a traditional agricultural and handicraft product in Hubei and Hunan provinces. Since the modern times, tung oil has been widely used as an important raw material for industrial paint. With the rapid development of the industries in Europe and the United States, the international market demand for tung oil has surged. Tung oil has gradually become an important commodity for China’s exports. During the period of the Republic of China, the trading of tung oil was an unprecedented development. The Chinese government and the tung oil merchants endeavored to promote agricultural improvement and improve oil extraction technology and packaging in response to the demand and quality of tung oil from abroad. At the same time, the national government to promote trade