2. Transfer to social security: If you work in Zhengzhou, you can ask the social security bureau of your work unit whether you can transfer from Shanghai. If you can, you can go to the Shanghai social security agency to go through the relevant procedures.
3. If you can't transfer to Zhengzhou: You can't apply for a provident fund loan, but you can go to Shanghai to withdraw the balance in the provident fund account with the purchase contract after buying a house.