Majdo chair:
615 x 575 x H 855 mm
https://cherepovets.inmyroom.ru/products/1921726-obedennyj-stul-majdo-zelenogo-cveta 

Number of polygons of one model without Turbosmooth smoothing modifier:
Poly: 10,940
Verts: 11,009
Number of polygons of one model with Turbosmooth iterations 1 smoothing modifier:
Poly: 88,068
Verts: 43,966
Polygon count for all models with Turbosmooth iterations 1 modifier:
Polys: 176 136
Verts: 87,932

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.