5300。 The average salary of jewelry sales staff in David City is 5300 yuan a month. David City is located at the intersection of Erqi Road and Taikang Road in the downtown business district of Zhengzhou, and is located in the most prosperous section of the city center. Its Erqi Road business circle radiates around the Erqi Tower, and with the railway station and bus terminal, the daily average passenger flow of this business circle exceeds one million.