PTR [PETROCHINA CO] 6-K: PetroChina Achieves Positive Results in First Quarter of
[PetroChina Achieves Positive Results in First Quarter of 2018 Year-on-Year Net Profit Significantly Increased 78.1% 2018-04-27 (Beijing, 27 April 2018) PetroChina Company Limited (PetroChina or the Company, HKSE: 0857; NYSE: PTR; SSE: 601857) today announced that the Companys production opera]
