Chair Halmar K570:
615 x 640 x H 915 mm
https://www.homeadore.ru/products/halmar-v-ch-k570-kr-bezowy 

Without Turbosmooth modifier:
Polys: 3,976
Verts: 4,027
With Turbosmooth modifier iterations 2:
Polys: 126,240
Verts: 63,545

Displacement map is used;
Turbosmooth modifier with Isoline Display is applied to the necessary 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 use version no lower than 1.5, as the glossiness of materials is set with PBR in mind.