How to buy social security for employees sent from Shenzhen to Huizhou?

According to the relevant information query, Shenzhen labor dispatch purchasing. Labor dispatch, also known as manpower dispatch and talent leasing, is a form of employment in which labor dispatch agencies sign labor contracts with dispatched workers, dispatch workers to other employers, and then employers pay service fees to dispatch agencies. Therefore, the employees sent by Shenzhen Labor Service to Huizhou are paid social security by Shenzhen Labor Service.