江苏省镇江船厂集团欢迎您,国产精品久久久久久人妻,国产国产人免费视频成69,亚洲中文字幕日本无线码},国产偷国产偷亚洲清高app

Our company has a ship design and technical research institution, which keeps a constant connection with both national and global relevant research institutions and colleges. What we usually do is to cooperate with experts to develop new types of ships, make joint efforts on design and building of ships and get together to improve technologies.