When choosing a suitable international logistics transportation method, you need to consider the following factors:

1. Nature of goods: Different types of goods may require different modes of transportation. For example, fragile and perishable goods may require air transportation, while ordinary goods may choose sea or land transportation.

2. Weight and volume of goods: The weight and volume of goods are also important considerations for choosing a transportation method. Generally speaking, sea transportation is suitable for large quantities and heavy goods, while air transportation is suitable for small quantities and small volumes.

3. Transportation distance: Transportation distance is also an important consideration in choosing a suitable mode of transportation. Generally speaking, sea transportation is suitable for long-distance transportation, while land transportation is suitable for short-distance transportation.

4. Transportation time: If you have high requirements for transportation time, you can choose air transportation or express delivery services. Sea transportation and land transportation usually take a long time.

5. Cost considerations: Cost is also an important factor in choosing a mode of transportation. Generally speaking, the cost of sea transportation is lower, while the cost of air transportation will be higher.

When choosing a suitable international logistics transportation method, you can make a comprehensive consideration based on the above factors and choose the transportation method that best suits your needs. At the same time, you can also consider the reputation and service quality of the logistics company and choose an experienced and reliable logistics company to cooperate with to ensure the safety and smoothness of cargo transportation.