Link to original https://audocph.com/products/nimbus-table-mirror?_pos=3&_sid=74faddbe2&_ss=r# 

For models, turbosmooth modifier was applied with 1-2 iterations for rendering.

Corona physical mtl.

The materials were created in Corona 9, for Corona render, it is recommended to install version no lower than 1.5, since the glossiness of the materials is configured taking into account PBR.