Number of polygons without smoothing: 19452
Number of polygons with anti-aliasing: 155616

Turbosmooth open modifier
In the fbx file in the Turbosmooth modifier, check the Explicit Normals and Smoothing Groups checkboxes

All polygon models are quadrangular

https://turnikets.ru/catalog/raspashnye-turnikety/raspashnoy-turniket-gotschlich-selection-df/