An unknown buyer acquired 5.52% stake in PetroVietnam Power Engineering Consulting Joint Stock Company (HNX:PPE) from Zhang Ping on September 11, 2019. Zhang Ping disposed 0.11 million shares through the transaction. An unknown buyer completed the acquisition of 5.52% stake in PetroVietnam Power Engineering Consulting Joint Stock Company (HNX:PPE) from Zhang Ping on September 11, 2019.