Where is Zhongshan province? There are many return trains.

there are many return trains in Zhongshan and Guangdong province. In Zhongshan, Guangdong Province has the largest number of return tickets. According to statistics, the number of return tickets in Guangdong province accounts for more than 6% of the country, accounting for almost two-thirds of the country. There are many return trains in Guangdong Province. According to statistics, the mileage of each return train reaches 17 kilometers every year, which is equivalent to half of the whole country. In Zhongshan, return tickets are often used to transport passengers and can also be used to transport goods. In addition, there are many return tickets used for passenger transport, such as tourist buses, buses and free shuttle services.