How to calculate the freight of "logistics freight line" from Dongguan to Shahe?

How to calculate the freight of "logistics freight line" from Dongguan to Shahe; The price of freight dedicated line is complex, and different freight units and vehicles charge different fees. . .

General starting price (3km) 20-25 yuan, overweight 0.5 yuan -0.65 yuan/km. The price depends on the size of the car and the condition of the goods.

Among them, bargaining can also be discussed appropriately.