Corona version 9
The model uses materials that may not be displayed correctly in very old versions of the engine.

Kushi Closed Cabinet
Made to order
In the scene there is a cabinet with 3 options for finishing the central panels

The object is a single one, textures and materials have logical names
Texturing: Unwrap UVW
For close angles, I recommend adding Turbosmooth

For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of materials is configured with PBR in mind.

Who works in a V-Ray version lower than 3.1 be careful, there is a Microfaset GTR ( GGX) in the materials in the BRDF section, 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