Air transport is mainly the cost of freight and incidental expenses, freight is calculated according to the weight grade price, generally there are several levels: + 100KG ( 100KG above goods ) + 300KG, 500KG + +, 1000KG

Some airlines to + 45KG has generally not corresponding to the level of freight tariffs, then in accordance with the TACT price to calculate freight, cargo charge weight is an important place, the weight of the goods in the air volume weight and gross weight two aspects. When the volume weight gross weight, volume and weight of the goods is the charge weight, when the volume of less than gross weight is the weight, actual gross weight is chargeable weight.

Incidental expenses including the more points, generally including warehousing fees, fuel surcharges, war risks etc.

Fuel surcharge and war risk is the particular circumstances of the product, the general now offer are included in the freight within the

DHL express class freight calculations are in accordance with 0.5KG as unit, are generally the first 0.5 kg has a price, and then continued heavy price

For example, shipment, weight of 3KGS quote is lifting heavy 50RMB 100RMB, continued

The express freight rates is 100 + ( 3 * 2-1 ) * 50 = 350RMB.