Metric tons are metric units, and the original expression in English is metric tons or metric tons. Because there are too many people who use metric tons, everyone likes to be lazy, so metric tons are often abbreviated as ton. When foreign customers say tons, they may mean metric tons. When we say tons in China, we actually mean metric tons, because China adopts the metric system. We say that 1 ton is equal to 1000 kg, which also proves that the ton we are talking about is actually a metric ton. )
TON (original meaning) is an English unit, which is Ton in English. Britain and America have different definitions of ton. In Britain, 1 ton is equal to 10 16 kg, so the British ton is also called long ton. In the United States, 1 ton is equal to 907 kilograms, so American tons are also called short tons.
In order to avoid confusion, it is recommended to use metric tons uniformly when talking with customers. This is especially true when writing a contract.