Japanese owner Nissen Kaiun has returned to Hyundai Mipo Dockyard (HMD) for another round of boxship newbuildings in an order potentially worth more than $80m.

Shipbuilding sources said the Hakata-based shipowner has signed up for four more 1,800-teu Bangkokmax newbuildings at the South Korean shipyard, bringing its total there to eight.

The price tag of Nissen’s latest newbuildings was not disclosed.