A Municipal Bureau of statistics conducted a survey and Analysis on the gender ratio of the population within the city. The statistical results surprised them: the gender ratio of the city 10 years ago was 1.02:1, but now the ratio has risen rapidly to 1.39:1, far higher than the national urban average. 
they believe that there must be a lot of problems in the work of the city's family planning department in the last 10 years.
The two industries of building materials (stone mining) and construction are the economic pillars of the city. In the past 10 years, these two industries have absorbed a large number of foreign male migrant workers, while very few female migrant workers