1. The housing provident fund is located in the provident fund management center of Beijing Railway Bureau. 2. There must be procedures for buying a house, such as purchase contract and invoice. It would be best if you have a room book. In addition, to write a loan application, there must be a guarantor. You must pay the provident fund in this railway bureau. Then go to the provident fund management center. I'm from lanzhou railway administration. It is not too difficult for us to apply for a single provident fund. The maximum amount is 300,000, and the loan amount varies from region to region.