K7904 is a K train route originating from Baiyunerbo at 12:40, and arriving at the final destination of Baotou East at 15:44. The duration of the total journey is 3 hrs 4 mins. There are 4 stops in total: Baiyunerbo, , Baotou, Baotou East. You can purchase tickets starting at, and ending at any station. Ticket prices are set on a per kilometer basis.

What are the different types of trains in China?

China has several types of trains, including high-speed G trains (Gaotie), D trains (Dongche), Z trains (direct express), T trains (express), K trains (fast), and regular numbered trains. G trains are the fastest, reaching speeds up to 350 km/h.

How do I book train tickets in China?

You can book train tickets through the official website 12306.cn (Chinese only), at train station ticket offices, or through third-party services like Trip.com or China Highlights that offer English booking services.

How early should I arrive at the train station?

It's recommended to arrive at least 60 minutes before departure for high-speed trains and 90 minutes for regular trains. This allows time for security checks and finding your platform.

What's the luggage allowance on Chinese trains?

Each passenger is allowed 20kg of luggage on regular trains and 20kg on high-speed trains. The dimensions should not exceed 160cm (length + width + height).