Although your cargo is about 50 tons, there are no gondolas of 50 tons at present, which are basically C62A, C62B, C62C, 6 1C60, etc. I won't list them one by one. That is to say, your goods are less than 60 tons, but the freight is charged according to 60 tons. For example, if your goods are 40 tons, you should also charge 60 tons.
As for the freight you mentioned, it was calculated by the railway backstage professionals according to the freight management regulations of the Ministry of Railways, but I don't think the railway will talk nonsense about the price, so don't worry. The freight mileage of railway freight is determined by the name of the goods added by the consignor on the waybill, and the applicable category and freight number are calculated by multiplying the billing weight of the waybill by the freight rate.
Extended data:
The freight is calculated and determined by the freight mileage, billing weight, freight number and freight rate applicable to this batch of goods. 【 Reference 】 Freight mileage, billing weight, freight order number and freight rate. The procedure of freight calculation is to calculate the freight mileage of the shortest route between the departure station and the arrival station according to the freight odometer; According to the name of the goods, look up the tariff classification table and determine the applicable tariff number; Then according to the freight mileage and freight number, find out the applicable freight rate in the freight table; Finally, the freight rate is calculated by multiplying the charging weight determined by the freight rate rules by the freight rate. Railway transportation miscellaneous fees, including freight weighing fee, freight cleaning fee, freight car or container sealing fee, freight waybill and freight label fee.
References:
Baidu Encyclopedia-Railway Transportation Cost