Changzhou BODA Fine Chemical Co., Ltd is the joint venture by Changzhou BODA Paper Article Trade and Shenhua International (Canada) Industry Co., Ltd, with an area of 66667m2, staff of 120(senior engineer of 8, professional technical personnel with college degree of 80%, technical management personnel of 35). The sequential liquid phase oxidation we developed with research unit is the national originate and we brought in the automatic producing flow reaching the annual productivity of 20000tons. The productivity and quality are all ranked to the national topping level in the same field and all the technical indexes are closed to the foreign level of those developed countries which has filled the national blank and has the strong competitiveness in the same field.