(EnergyAsia, March 30) — Singapore’s ASL Marine Holdings Ltd, an integrated marine company offering services in shipbuilding, ship repair and ship chartering, said it has secured major shipbuilding contracts worth S$164 million. (US$1=S$1.52).   ASL Marine, which owns shipyards in Singapore, Batam (Indonesia) and Guangdong (China), has been contracted to build seven vessels for use…