1. To issue a certificate of no violation of social security and contact the Labor Relations Department of the Human Resources and Social Security Bureau, the required materials include a stamped copy of the business license, a stamped copy of the organization code certificate, a letter of introduction from the staff of the enterprise, and an enterprise application.

2. It is proved that there is no violation in opening the provident fund. Contact the enterprise provident fund deposit management department of the provident fund management center. The required materials include the introduction letter of the clerk, the original and photocopy of the ID card of the provident fund manager, the official seal of the enterprise housing provident fund deposit approval form, the seal of the trade union if there is a trade union, or the signature or board seal of the full-time payer, and the enterprise calls for a letter.