Sweden’s Furetank has signed contracts for two more ships in a series of dual-fuel liquid biogas (LBG) product tankers being built in China.

The deal brings the number of Vinga-class vessels ordered by Furetank and its partners in the Gothia Tanker Alliance to 15.

Six of the 17,999-dwt tankers have been ordered this year alone at China Merchants Jinling Shipyard in Yangzhou.