Mawei Shipbuilding, a unit of Fujian Chuanzheng Heavy Industry Co., Ltd., has secured a contract to build two firm Construction Support Vessels (CSV) with options for two more, expanding the shipyard's presence in the high-end offshore vessel export market. The vessels have been designed by Norwegian maritime design house Sirius Design & Integration, with the project described as a further example of Sino-foreign cooperation in ship design and construction. Each CSV will measure 144.7 metres in overall length