On PackageRadar website «Package delivered» status means these statuses of STO Express:
Tracking package of STO Express
With the use of our tracking form you can easily check the status of your package. Also if you want to tracking STO Express and get your package location updates to your e-mail, you can Register on our website.
STO Express — is not the only postal service that you can track at PackageRadar. See full list of postal services available.