Chinese tanker giant COSCO Shipping Energy Transportation has unveiled a sweeping fleet expansion involving 24 VLCC newbuildings, signing contracts worth RMB9.48bn ($1.42bn) for ten supertankers and lining up another 14 through long-term bareboat charters. The Shanghai- and Hong Kong-listed owner disclosed the deals on November 9, with its wholly owned subsidiary Hainan Cosco Shipping Energy …