Central Park dining set. Brand: Ditre Italia
Link: https://www.ditreitalia.com/en/products/complementary-furniture/central-park 
Dimensions:
Width: 2100 mm
Height: 760 mm
Depth: 1100 mm
Measurement units: millimeters
Formats: 3Ds Max 2012, 2015 (Vray), 3Ds Max 2013, 2015 (Corona), OBJ
XForm: Yes
Unwrap uvw: Yes
Textures: Yes
Material library Corona, Vray: Yes
Render: Corona, Vray
Ready to render
Important: the TurboSmooth modifier must be applied to the import objects.
Who works in 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. " If CORONA version is higher than 1.4: “For Corona render, it is recommended to install at least version 1.5, as the glossiness of materials is adjusted with PBR in mind.