2025-04-23 00:00:00 PetroChina e-HSSE is a mobile application that is used to support the check-in and check-out process for workers in the field operational area (on site) in a digital and integrated manner. This application can be used by security officers to scan the QR code of each worker when entering or leaving the work area. With a fast, accurate and safe system, PetroChina's e-HSSE simplifies the process of monitoring, recording attendance and reporting work activities efficiently and well documented.