Dining chair Viola:
565 x 595 x H 875 mm
https://www.pointernety.ru/product/stul-obedennyy-viola-bs1377-bg-2-bezhevyy-zoloto/ 

Without Turbosmooth modifier:
Polys: 5,838
Verts: 5,773
With Turbosmooth iterations 2 modifier:
Polys: 182,928
Verts: 92 119

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.