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International maritime transport is an important and most important mode of transport in international cargo transport. It mainly transports goods by sea through ships and other means of transport. For example、 international shipping is classified by ship type、 including general cargo ships、 bulk cargo ships、 liquid chemical ships、 container ships、 etc.、 and cargo types、 including mineral sand ships、 coal ships、 grain ships、 oil tankers、 container ships、 etc In a word、 international shipping is an indispensable part of international trade

First of all、 we need to know two concepts: billing weight unit、 first weight and additional weight

Billing weight unit: The international express industry generally takes 0.5KG (0.5kg) as a billing weight unit.

First weight and additional weight: the first 0.5KG is the first weight for international express delivery、 and every additional 0.5KG is an additional weight. Generally、 the cost of hoisting is higher than that of continuous hoisting.

There is one price between 0.5KG and 0.5KG、 which is the first weight price. The part exceeding 0.5KG will be charged according to the additional weight price

Therefore、 the actual freight is equal to the first weight price+additional weight price

When the actual weight of the goods to be delivered is greater than the volume weight、 the freight=first weight freight+(actual weight (kg) × 2－1) × Renewal freight

When the actual weight of the delivered goods is small but the volume is large、 the freight=the first freight+(volume weight (kg) × 2－1) × Renewal freight

Note that the freight here is only the basic freight、 not the final total cost、 and there may be other additional costs.

Packaging fee: Generally、 international express companies provide free packaging、 cartons、 bubbles and other packaging materials、 but many items、 such as clothing、 can be packaged without extra fine packaging、 but some express companies will charge a certain packaging fee for valuable and fragile items. Packaging costs are generally not included in the discount calculation.

Fuel surcharge: all major international express will be updated in real time according to market conditions. Please consult customer service for specific fees.

Other uncertain expenses: such as service fees in remote areas、 sensitive freight charges for sending batteries、 powders、 liquids、 food、 brands、 etc.、 which are mainly related to the items and regions you send.

Basically、 total cost=(freight+fuel surcharge) × Discount+packaging cost+other uncertain costs

In addition、 different countries and different logistics channels have different basic charging standards、 and the cost may also be affected by many factors such as flight outage. The specific charging standards can also be subject to the real-time quotation of the express company.

The charging standard of international express depends on the actual weight and volume weight. Calculation method of package volume and weight: (length x width x height) (cm) ÷ 5000. Note that the unit of length、 width and height is cm. If the cargo of international express package is less than 0.5 kg、 it will be charged as 0.5 kg. Goods below 21Kg (46.3Ib) are charged as small goods、 the first weight and the second weight. The charging unit is 0.5Kg (1.1Ib)、 and goods above 21Kg are charged as large goods.