Juno Chair:
620 x 1040 x H 700 mm
https://megamarket.ru/catalog/details/kreslo-dlya-otdyha-salotti-dzhuno-tkan-gunnared-cvet-seryy-600012384611/ 



Without Turbosmooth modifier:
Polys: 2,548
Verts: 2,573
With Turbosmooth iterations 2 modifier:
Polys: 81,872
Verts: 40,940

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.