It is also the abbreviation of cubicmeter. Cbm is a commonly used unit of volume in international trade.

Use of CBM units:

1 and 1 m3 are equal to 1 m3. If the goods are shipped abroad, containers are needed, also called containers. Different types of containers have different sizes. Sea transportation and air transportation are generally calculated by volume, so cmb is the volume, and how much cbm should be occupied, so guests should calculate the cost of sea transportation or air transportation.

2. But on the rest of the platform outside, if you haven't seen the size of the box much, you won't use com much. Some enterprises use EMS packaging and transportation more, so it won't involve too much CBM use.