Furnace Energiya 22-S:
600 x 835 x H 954 mm
https://kpd-ural.ru/magazin/product/pech-bannaya-energiya-22-s 

Without Turbosmooth modifier:
Polys: 329,711
Verts: 319,913
With Turbosmooth iterations 1 modifier:
Poly: 709 810
Verts: 482,714

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.