Can not find GD&T information from step.

Hi
If i scan the step 1.stp by occ in attacthment,i can not find one GDT(dimension,3d text) information.but when i import it to catia or other software,it show some GDT information.

Attachments: 
Zhang Heng's picture

This file is AP203 mode ,could not have any GD&T info