All those cities have high-speed trains from Sanjin.

At present, the high-speed rail network in China is very developed, and many cities have three high-speed rails. The following are cities with high-speed rail from Sanjin:

1. Beijing: As one of the central cities of China's high-speed rail network, there are many high-speed railway station in Beijing, among which Beijing South Railway Station, Beijing West Railway Station and Beijing North Railway Station are the three stations where the high-speed rail originated.

2. Shanghai: Shanghai is also an important city in China's high-speed rail network, with two high-speed railway station, Shanghai Hongqiao Railway Station and Shanghai South Railway Station.

3. Guangzhou: Guangzhou South Railway Station, guangzhou east railway station Railway Station and Guangzhou Railway Station are all high-speed railway station, connecting Guangzhou with neighboring cities by convenient high-speed rail transportation.

4. Chengdu: Chengdu East Railway Station, Chengdu South Railway Station and Chengdu Railway Station are all three high-speed railway station, which connect the high-speed rail network between Chengdu, Sichuan and neighboring provinces.

In addition to the above cities, there are many cities that also have high-speed trains originating from Sanjin Station, such as Wuhan, Nanjing, Hangzhou and Xi 'an. If you need to know more about the three-way station where the high-speed railway originated in a city, you can get more detailed information by searching for relevant information or consulting the local tourism service center.

It should be noted that the number and location of the three-way stations originating from the high-speed railway may change with the continuous expansion of the high-speed railway network, so it is best to confirm the latest high-speed railway station information when planning the trip. At the same time, the high-speed rail fare is relatively high, so it is recommended to plan your trip in advance and book tickets in order to get cheaper fares.