Strict Quality Control of Raw Materials :

¡¡¡¡Sinopec strictly controls the source of raw materials for equipments and piping , etc .

Strict Control of Manufacturing Process :

¡¡¡¡Sinopec Procurement Division ( Sinopec Int ' l ) holds 11 supervision stations which carry out residential Supervision or key-points inspection according to criticality ratings .

Monthly Reporting and Notification On Quality Problems :

¡¡¡¡Quality problems will be reported and notified within Sinopec to ensure a better quality control  .