Not always, it depends when you are opening the exported model. Some software have different axis orientations.
Therefore there are various transformation pre-sets:
Is it possible to share your data with us? To check them? If so I will send you the invitation for data upload.
If you Center the pivot it will go to [0,0,0] coordinate.
How does it look for you?
Can you share there also the side view of your mesh in RC?