Wan Hai Lines has reversed its losses to post a net profit in 2010 as revenue improved. The Taiwanese containership owner recorded net profit of TWD5.44bn ($187.9m) in 2010 compared to a net loss of TWD1.63bn in 2009. Revenue climbed to TWD64.71bn last year as against TWD47.08bn posted in 2009. The company also registered higher operating profit amidst higher operating costs.