The cost of railway transportation to Hong Kong is calculated separately by railway transportation in the inner section and railway transportation in the Hong Kong section. The inland section is calculated in RMB and the Hong Kong section is calculated in Hong Kong dollars. The inland freight includes railway freight, Shenzhen rail transit rental fee and Shenzhen Sinotrans service fee. The freight of the port section includes railway freight, unloading fee at the terminal of the port section, shunting fee of the port section and labor fee, etc.