Hangzhou can cancel the subsidy for selling houses and submit new houses online for a few days.

Three to five days. Hangzhou, referred to as "Hangzhou", was called Lin 'an and Qiantang in ancient times. It is a prefecture-level city under the jurisdiction of Zhejiang Province, and Hangzhou has relevant subsidy policies for owners to purchase houses. In the process of applying for subsidies, it is not allowed to sign a new house. Cancel the subsidy policy, and the time for directly signing a new house online is decided by the owner of the new house, with an average of 3 to 5 days. Online signing is to go to the real estate department after signing the contract, publish it online, and then give it an online signing number, through which users can query online.