中国石油天然气股份有限公司 2017 年度报告 （A 股股票代码：601857） 2018 年 3 月 | 重要提示 | ·······················································································1 | | --- | --- | | 公司基本情况简介 | ···········································································2 | | 会计数据和财务指标摘要 | ··································································5 | | 股份变动及股东情况 | ········································································8 | | 董事长报告 | ···································································· ...