PTR [PETROCHINA CO] 6-K: PETROCHINA COMPANY LIMITED (A joint stock limited company
[PETROCHINA COMPANY LIMITED (A joint stock limited company incorporated in the Peoples Republic of China with limited liability) ANNOUNCEMENT 1. Important Notice 1.1. 1.2. This quarterly report has been approved at the fifth meeting of the Board of Directors of the Company in 2019. All Directors hav]