Opus chair:
435x600xH870 mm
Table Garda Decor:
1000x1000x H760 mm

Polys: 30644
Verts: 16151

You need to apply the Turn to Poly modifier on the OBJ model;
The Displacement card is used;
Turbosmooth modifier with render iters mode applied on the required objects;
There is an OBJ file;
For Corona render it is recommended to install a version of at least 1.5 since the glossiness of materials is configured with PBR in mind.