淮北市国税局监察室主任郑建国，他１８岁入伍，２８岁从事财税工作，当过专管员、指导员，３８岁开始从事税务纪检监察工作。在任监察主任的８年中，他共受理人民来信、来访、来电举报１５０余件次，初核案件７０余件，立案１９件，给予党纪政纪处分１９人，从而为淮北市国税? Zheng Jianguo, director of the Internal Revenue Service of Huaibei IRS, enlisted him at the age of 18 and worked as a tax and taxation officer at the age of 28. He was a special manager and instructor and began to engage in tax discipline inspection and supervision at the age of 38. During his eight years as supervisory officer, he received letters and visits from the people, called and reported over 150 calls and checked more than 70 preliminary cases and 19 cases and gave disciplinary measures to party and government disciplinary measures of 19 people, thus becoming the national tax of Huaibei City.