The shipbuilding industry is a modern comprehensive industry that provides technical equipment for water transportation, marine development and national defense construction industries. It is also a labor, ctal, and technology-intensive industry. It is on the upstream and downstream of electromechanical, steel, chemical, shipping, and marine resources. Industrial development has a strong driving role and is of great significance for promoting labor employment, developing export trade and ensuring the safety of coastal defense. The shipbuilding industry is an important part of the national economy and one of the pillar industries of the national defense industry.