蓖麻油是国防、机械、化工、医药、农药等工农业生产的重要原料,也是我国传统的出口产品之一。近两年来,随着国内外市场需求日趋增加,使本采就供应紧张的蓖麻油供求矛盾更为突出,缺口 Castor oil is an important raw material for industrial and agricultural production such as defense, machinery, chemicals, medicine, and pesticides, and it is also one of China’s traditional export products. In the past two years, with the increasing demand at home and abroad, the conflict between supply and demand for castor oil, which is tightly supplied, has become more prominent.