Norway's Klaveness Combination Carriers (KCC) has pushed back declaration and delivery dates for six optional Cleanbu ships on order in China.

The company has eight firm oil/bulk vessels being built at Jiangsu New Yangzi Shipbuilding.

The six optional ships can now be declared between February next year and January 2021.

These fixed-price vessels would be due for delivery between September 2021 and November 2022.