Can the new house in Harbin be vacant?

Yes

According to the query of Harbin Real Estate Network, if the house is renovated or has not been renovated for more than 6 months, you can apply to the property service enterprise for vacant houses.

Vacant house is a special term in the real estate market. Strictly speaking, it refers to a house that has not been sold one year after its completion. In layman's terms, it refers to houses that cannot be sold in the market.