湖北省利川县长顺公社是我省桐油重点产区之一.农民种植油桐有悠久的历史.当地农谚说: “家有千株桐,子孙不受穷.”所种油桐树的桐果,具有出油多、质量好的特点,是农民的一项大宗收入.常年桐油产量在35—40万斤左右,群众称该地为利川的“油海”. The Changshun commune in Lichuan County of Hubei Province is one of the key production areas of tung oil in our province. The farmers have a long history of planting tung tree. The local farmer said: “There are thousands of trees in the family and the children and grandchildren are not poor.” Tongguo has the characteristics of a lot of oil and good quality. It is a large income for farmers. The perennial output of tung oil is about 30,000 to 400,000 kilograms. The people call it the “oil sea” of Icheon.