New direct kitchen called NEL from the Internet and a bit redesigned.
The model is assembled in a group with the prefix [G] consists of three objects each of the objects consists of many elements and has multimaterial.
The materials textures objects and groups are renamed the version of materials for Corona Render is made using the converter check them in a separate scene.

Dimensions of the kitchen (HxWxD): 2770 x 4800 x 610 mm
The kitchen consists of:
– Nel kitchen;
– Oven MIELE H7860BPX white;
– ceramic electric hob MIELE KM 6017 550 mm.
Oven in different colors: https://3dsky.org/3dmodels/show/kollektsiia_bytovoi_tekhniki_miele_01 
Cooking https://3dsky.org/3dmodels/show/keramicheskaia_elektricheskaia_varochnaia_panel_miele_km_6017_550_mm_1 

The FBX file contains all models with materials. There are no materials in the OBJ file only geometry.

Who works in the V-Ray version lower than 3.1 be careful in the materials in the BRDF section there is Microfaset GTR (GGX) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you.