Why did Yutong Bus recruit a large number of personnel in 20 17?

Our company's training says Yutong is doing well in the markets of second-and third-tier cities. Recruiting a large number of people to second-and third-tier cities not only makes them do sales, but also makes them have to find out the direction of buses in the city, when and which company bought what brand of buses and collect a lot of information. Collecting this information is also to make it easier to do better in the second and third tier markets.