Renders for preview are made in Corona Render 10
On the Corona Legacy Mtl model

The object is modeled for anti-aliasing, the turbosmooth modifier is assigned:
View iters — 0
Renderers — 2
Stacks are not collapsed

Export to OBJ is done without using turbosmooth modifier

All textures, materials and objects are logically named

Set composition:
Mykonos chair in solid ash and boucle fabric in milky white

https://fozfurniture.com/produto/mykonos-chair/ 

The model is suitable for the kitchen, dining room, living room, cafe, coffee shop, pastry shop, living space, reception, workplace, office

"For Corona Render: it is recommended to install version not lower than 1.5, since the glossiness of materials is configured taking into account PBR."