JAKARTA, Jul 30, 2018 - (ACN Newswire) - Wintermar Offshore Marine (WINS:JK) has reported 1H2018 gross profit of US$4.8 million, compared to a loss of US$1 million for 1H2017, driven by a 34% jump in Owned Vessels Revenue from better utilization of high tier vessels.

Rising revenue combined with good cost control led to margin expansion in...