EXMAR further expanded its presence in the world's LPG fleet by agreeing with Hong Kong-based Wah Kwong to participate as an equal partner in six pressurised gas tankers of 3500- 5000m3 that were built and delivered by Yamanishi Corporation of Japan . With the delivery of the 3500m3 MAGDALENA in 2008 and further deliveries of sister vessels such as JOAN, MARIANNE, ELISABETH and ANGELA between 2009 and 2010 , the backbone of EXMAR's pressurised fleet began to take shape and would eventually grow to ten vessels in this class.