US-based technology provider Butterworth has won a $400,000 contract from Fuijan Mawei Shipbuilding to provide a series of tank cleaning equipment for support vessels.

The order will provide services for 12 offshore supply vessels being constructed for US-based Tidewater Marine, apart from an extra four ships for an unspecified client.

The contract entails scheduled deliveries to the end of 2011.

Butterworth’s tank cleaning machines remove the need for staff to enter hazardous and confined areas, creating a safe working environment, the company said.

The equipment is deployed across onshore and offshore applications.