Suspension of loan repayment, if you default, the bank can withdraw the auction, which basically has nothing to do with you. Even if the house is completed in the future, it is estimated that it will be difficult to redeem the house because of the liquidated damages you owe to the bank.

It is recommended to hand it in for a while first. Now is a sensitive period of real estate. Don't take it if it drops too much.

It is also possible for the government to come to the rescue, provided that the finance is rich and the leaders want to make achievements, everything is possible.

Legally speaking, this is purely a market economy behavior, so the only right is to take the developer to court, but this is basically useless, and so is China.