Unisea Shipping of Greece is back at Samsung Heavy Industries for tanker newbuildings.

Shipbuilding players say Unisea has placed up to four 115,000-dwt crude carriers with the Korean shipyard. The deal is for two firm vessels plus two options.

Officials at Samsung were not available for comment.

The price-tag was not disclosed, but shipbuilding players believe Unisea is paying close to $50m each.