The upper limit is 1 1496 yuan/month, and the lower limit is 1795 yuan/month. According to the social security payment notice issued by official website of Taicang City Taxation Bureau, in 2008, the upper limit of the monthly payment base for social insurance premiums paid by enterprises and employees in Taicang City was 1 1496 yuan/month, and the lower limit was 1795 yuan/month. Taicang City, a county-level city under the jurisdiction of Jiangsu Province, is managed by Suzhou City and located in the southeast of Jiangsu Province, on the south bank of the Yangtze River estuary, between 3120 ′-3145 ′ north latitude and 0/20 58 ′-120 ′ east longitude.