How come the money that hits the employee's health insurance card is less in Anqing?

Anqing adjusted the social security contribution base at the end of 2021, Anqing City approved the city's social insurance premiums for the year 2021 individual monthly contribution base ceiling of 17,925.42 yuan. At the same time, in order to reduce the burden of enterprises and flexibly employed persons to participate in insurance contributions, Anqing City 2021 social insurance premiums individual monthly contribution base lower limit is 3429.11 yuan. This year, each participating unit of Anqing City, the contribution base declaration and approval work, still in accordance with the "first declaration, pre-approval, and then adjust the difference" principle, the advance receipt of the 2021 annual units and individual employees of the social insurance premiums. According to the relevant provisions, after the announcement of the upper and lower limits of the social security contribution base for 2021, the social insurance agency shall determine the final contribution base for individual employees according to the announced upper and lower limits of the policy of "guaranteeing the bottom and limiting the height", and carry out the settlement of the difference from January 2022 onwards. Before the announcement of the social security has been suspended, transfer and retirement before the death of the death, go abroad (territory) settlement, less than 15 years of contributions, such as withdrawal of one-time settlement of the insured, after the announcement of the contribution base will no longer be adjusted and make up for the difference between the collection (refund). However, this year for the retirees, by the unit or my application can be adjusted to make up for the collection of the contribution base and recalculate the treatment.