International trade is a complex process involving a variety of different classification criteria and modes of transportation. The choice of these classification standards and modes of transportation has an important impact on the efficiency and cost of trade.

I. Main classification criteria of international trade

1. Commodity flow: the development of international economic trade can be categorized into trade in export products, trade in imports and transit trade through according to the flow of Chinese commodities. Export trade refers to one of our country to sell goods or services to some other countries, import trade refers to an important country from other developed countries government to buy goods or services,国際輸送 and transit trade refers to the commodity in the process from the place of production to the place of consumption, through such a own country but not in the country for sale.

2. Commodity Forms: International trade can also be categorized into tangible and intangible trade based on commodity forms. Tangible trade involves physical goods such as food and electronics, while intangible trade involves services such as tourism and finance. In addition, the involvement of third parties is an important categorization criterion, including direct trade, indirect trade and transit trade.

3. Entry and exit of goods into or out of a country or customs territory: International trade can also be classified into total trade and specialized trade on the basis of the entry and exit of goods into or out of a country or customs territory. Total trade refers to all the trade activities of a country with the rest of the world, while specialized trade refers to the trade activities of a country with specific countries or regions.

4. Mode of Freight Transportation: According to the mode of freight transportation, international trade can be categorized into land trade, sea trade, air trade and mail order trade. Among them, the main advantage of mail-order business is thoughtful service and customer convenience.

Second, the main mode of transportation of international trade

1. Ocean transportation: in the international cargo transportation, the most widely used is China's ocean transportation. Ocean transportation enterprises can make full use of the well-connected natural waterways, and its ability to learn through the existence of a large.

2. Railway Transportation: In international trade, railroad transportation is a major mode of transportation second only to sea transportation. Its biggest advantage is that the transportation volume, speed, transportation risk is obviously smaller than sea transportation.

3. air transport: air transport is a modern mode of transport with the advantages of fast transport speed, high quality of freight, and not limited by ground conditions.

Four. Container Transportation: Container transportation is a new, efficient and economic mode of transportation using containers as carriers and assembling goods into container units.

5. Parcel Transportation: Parcel transportation has the nature of international multimodal transportation and "door-to-door" transportation. Shippers only need to handle a consignment according to the post office and pay the full amount of postage, and get a parcel receipt, delivery procedures are completed.

Third, the main development characteristics of international economic trade

1. The issues involved in international trade in goods are far more complex than those involved in domestic trade, because there may be differences and conflicts in policy measures and legal systems as well as other aspects of language and culture, social customs and differences between different countries or regions.

2. The transaction volume and amount of international trade in goods is generally larger, the transportation distance is longer, and the performance time is longer, so the risks for both parties to the transaction are far greater than those in domestic trade.

3. International trade in goods is affected by political influences, economic changes, bilateral relations and changes in the international situation in both countries.

4. In addition to the two parties, international trade in goods also involves the collaboration and cooperation of departments such as transportation, insurance, banking, commodity inspection, customs, etc., and its process is much more complicated than domestic trade.