求翻译：兹有姓名：曾昭湖 （身份证号码：362426197911278419 家庭地址：江西省吉安市泰和县万合镇点边村五组28号）于2002年3月至2010年6月在江西省吉安市庐城化工责任有限公司售后管理部从事管理工作，工作恪尽职守，特此证明。是什么意思？

We have names: Zeng Zhaohu (ID number: 3.,624,261,979,112,78e,+17 families address: Jian in taihe County, Jiangxi province hezhen, five set of 28th boundary village) in March 2002 in Jiangxi Province Jian lucheng chemical limited after sales management work in the management of the Department, working scrupulously, this is to certify that.