PETROCHINA CO LTD

Filing Type: 6-K
Filing Date: 20220401

Documents

FORM 6-K
6-K
EX-99.1
EX-99.1
EX-99.2
EX-99.2
EX-99.3
EX-99.3
EX-99.4
EX-99.4
EX-99.5
EX-99.5