Yes. According to the query of official website Railway Network, 12306 belongs to China National Railway Group Co., Ltd., or it belongs to a very important window for railway departments to serve customers, and it is the National Railway Mall. 12306 Mall is a platform for purchasing train tickets, and it is also a ticketing system introduced by the official railway department. When you enter the 12306 system, you can buy train tickets or high-speed rail tickets directly on it. After you buy the tickets, you can't take the bus for some reasons, and you can also go through the formalities of changing the ticket, changing the station or refunding the ticket directly on 12306.