中国石油天然气股份有限公司 2021 年度报告 （A 股股票代码：601857） 2022 年 3 月 目 录 财务报告 | --- | |-----------------------------------------------------------------------------------------------------| | | | 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 ··················································· ...