Longgang district. According to Baidu map query, there are 9 municipal districts in Shenzhen, among which Nanshan District, Futian District, Baoan District and Longgang District are the first four well-developed jurisdictions, among which the average salary of catering work in Baoan District is between 4,500 and 6,000 yuan, Futian District is between 5,000 and 7,000 yuan, and Nanshan District is between 4,500 and 5,000 yuan.