1. First of all,Seazeal marine service the classification of service objects is the service object of ships, such as shipping, ship management, ship repair, ship trading and chartering transactions, ship inspection and registration, ship supply, pilotage, ship towing services; Secondly,Seazeal marine service services targeted at goods and passengers on the water, such as cargo agency, customs declaration, passenger transport (including passenger mail) , cargo transport, loading and unloading terminals, warehousing, tallying, port transport, logistics, water tourism and other services; Third, it is the services for port and shipping enterprises, such as Finance, Insurance and notarization, maritime law and maritime arbitration, Maritime Consulting, information technology, maritime personnel training and other services.

 2. The element classification divides the Seazeal marine service into the core layer, the auxiliary layer and the support layer. The core layer is composed of the main shipping businesses such as shipping and port services, while the auxiliary layer is composed of shipping supporting services provided for the core layer, it includes shipping agency, freight forwarder, shipping broker, ship repair, ship inspection, etc. . The supporting layer is an extension of the main shipping industry and shipping supporting services, and also a value-added layer with high added value, it mainly includes shipping finance, shipping insurance, maritime law, shipping education and so on. 

3. Classification of factor intensity factor intensity refers to the proportion of a combination of factors of production used to produce a product or provide a service for a unit, capital-intensive shipping services are mainly shipping and port services and ship supply, especially the bonded fuel supply market. Suppliers need to set up a certain number of supply outlets in domestic ports, that is to say, ship oil supply has the nature of high cost and high risk: freight forwarding, ship forwarding, freight forwarding and Customs Declaration and inspection are labor-intensive services; And shipping financing, shipping insurance, maritime law, shipping consulting, shipping brokerage, ship management and repair services are knowledge-intensive shipping services.