The difference between air and sea transport：
1. Different modes of transportation (manifested in customs declaration and other aspects, customs declaration by sea is much more cumbersome than by air);
2. Freight is different (freight per kilogram by sea is cheaper than by air).
3. Transportation time is different (air transport is definitely faster than sea transport);
4. Different carriers of transport (limited by means of transport, more things are transported by sea and air)
5. Air transport is extended on the basis of sea transport (shipping was first developed in foreign trade, then air transport)。
Wholesale Customer Selection：
1、Fewer, only choose aviation, suitable for Amazon, Wal-Mart independent website wholesale customers,
2、Advantages: Quick speed, usually 5 - 7 days to receive goods
3、Disadvantage: unit price is more expensive.。
