Eila Dining Chair:
595 x 505 x H 780 mm
https://dg-home.ru/catalog/stulya/stul_obedennyy_plastikovyy_seryy_eila/ 

Without Turbosmooth modifier:
Polys: 4,262
Verts: 4,320
With Turbosmooth iterations 1 modifier:
Polys: 33,896
Verts: 17,160

The Turbosmooth modifier with Isoline Display was applied to the required 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 install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR.