The design and supervision of the Yangtze River Ship Design Institute is "two types of four rivers and sea direct transport ships"...

It is reported that the two types of four ships include three 9000t class bulk carriers and one 6000t Jianghai direct asphalt ship. The asphalt ship has been certified by the international oil company twice and obtained the transportation qualification of the big oil company.

In addition, the two types of ships have also received unanimous praise from the relevant departments of the German and Chinese governments. In the current downturn of the shipping market, the two types of ships have achieved good economic returns for their shipping companies.