Chair Astra:
640 x 615 x H 855 mm

https://bigarden.ru/stul-astra-360-grad-povorot-belyy-sonic-23-tkan-7525-01-velyur-chernyy-karkas-disaur-1-sht-1-kor/ 

Without the Turbosmooth smoothing modifier:
Polys: 3 038
Verts: 3 228
With the Turbosmooth smoothing modifier iterations 2:
Polys: 96 592
Verts: 49 191

Displacement map is used;
Turbosmooth modifier with Isoline Display is applied to the necessary objects;
There is an FBX file (if necessary, apply the Turn To Poly modifier to the FBX file);
For Corona render, it is recommended to use version no lower than 1.5, as the glossiness of materials is set with PBR in mind.