Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Harbin (56% of total searches to Heilongjiang). The next most popular destinations are Mudanjiang (22%) and Daqing (11%). Searches for hotels in Qiqihar (11%) are also popular.
KAYAK users have found double rooms in Heilongjiang for as cheap as £40 (Mudanjiang) in the last 3 days. The average price is £40.