According to the department, Viet Nam had about 1,700 sea ships, including 28 container ships, 172 bulk carriers, over 940 mixed ships, 150 oil carriers, nine liquefied gas carriers and 37 passenger ships. The figures showed that Viet Nam had an abundance of small ships, but lacked ships with high loading capacities or specialised vessels, Nhat said. In the last four years, the number of container ships worldwide increased on average 6.8 per cent, but the percentage in Viet Nam was just 1.1 per cent. Nhat said the imbalance put sea transport firms in tough competition, particularly during the economic…