Regarding air freight shown in numerical figures, the bigger unit is called “Chargeable Weight”,
the larger value shown in numerical figures between weight or volume,
has been applicable for freight calculation.
Affected by it, the amount of handling cargos charge in bonded area has been set in the same way.
However, in case of ocean transport, THC charge has minimum system.
For 1t weight and for 1m3 volume, the charge is same.
The way to set minimum charge is called as “Revenue Ton”.
Even for small volume like 480k, the handling charge of 1R/T as charge in bonded area is added on products.