and the R&D capabilities of Chinese enterprises need to be improved.

new marine materials refer to various types of special materials used for marine development in high-humidity, high-salt, and high-pressure environments. the segmented products of new marine materials mainly include marine steel, marine non-ferrous metals, protective materials, concrete, composite materials and functional materials. new marine materials are the foundation and important support for manufacturing offshore engineering equipment and developing marine science and technology. they directly affect the…