How many months does Suzhou social security adjust its base every year?

June. Suzhou Social Security shall go through the monthly parameter adjustment procedures for the number of insured persons at the social security agency in the city or district where the social security relationship is located in June every year. Suzhou is located in the middle of the Yangtze River Delta, southeast of Jiangsu Province, east longitude119 55' ~12120', north latitude 30 47' ~ 32 02'. It borders Shanghai in the east, Zhejiang in the south, Taihu Lake in the west and the Yangtze River in the north.