Foreigners need one-year social security or more than one-year tax payment certificate to buy a house loan in Hechuan, Chongqing. If it is a loan, you need to earn twice as much as the repayment. If it exceeds 1 000, you need to provide a tax payment certificate! Proof should be household registration book, copy of real estate license, ID card, marriage certificate or single certificate, one-year social security certificate and income certificate, and online signing.