油桐是原产我国的重要的工业油料树种,桐油是一种优良的干性植物油,它干燥快、比重轻、有光泽;不怕冷、不怕热;耐酸、耐碱;防湿、防腐、防锈,因而深受广大工业生产者的喜爱。随着科学技术的发展,生产力的提高,桐油的使用范围将会越来越广。油桐是陇南地区的名特经济树种,也是《陇南林业“七五”规划》确定的重点发展 Tung tree is a kind of important industrial oilseeds species that originated in our country. Tung oil is a kind of excellent dry vegetable oil, it is fast drying, light weight, shiny; not afraid of cold, not afraid of heat; acid, alkali; moisture, corrosion, rust , So by the majority of industrial producers love. With the development of science and technology and the improvement of productivity, the use of tung oil will be more and more widely used. Tung tree is the name of Longnan special economic species, but also “Longnan forestry” five “plan” to determine the focus of development