Hera Dining Chair:
640 x 595 x H 820 mm
https://cheboksary.inmyroom.ru/products/1865030-obedennyj-stul-hera-temno-serogo-cveta 

Without Turbosmooth modifier:
Polys: 3,118
Verts: 3,247
With Turbosmooth iterations 2 modifier:
Polys: 99,616
Verts: 50,349

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.