How to merge Shenzhen social security and Shanwei social security?

Prepare social security bureau to keep social security. According to the information disclosed in the inquiry, taking Shenzhen Social Security as an example, go to Shenzhen Social Security Bureau to provide personal ID card, household registration book and other relevant documents, as well as information such as work unit and social security payment records, fill in the application form and submit relevant materials, including personal ID card, household registration book, proof of work unit and social security payment records.