Scoop Chair:
460 x 580 x H 805 mm
https://dg-home.ru/catalog/stulya/stul_plastikovyy_obedennyy_olivkovyy_scoop/ 

Number of polygons of one model without Turbosmooth smoothing modifier:
Polys: 14,804
Verts: 14,394
Number of polygons of one model with Turbosmooth iterations 1 smoothing modifier:
Polys: 116,608
Verts: 58,224
Polygon count for all models with Turbosmooth iterations 1 modifier:
Polys: 466 432
Verts: 232,896

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.