DIMENSIONS Length: 220 cm Depth: 84 cm Height: 69.5 cm

In Export file smoothing Modifier is required.

Who works with V-Ray version lower than 3.1 pay attention to materials section BRDF (Microfaset GTR (GGX)) if your version is older than 3.1 – this option will be empty and you have to choose:
BlinnWard or Phong depence on material.