A government announced twice in half a year to reduce the interest rate of house purchase mortgage loans, so many potential buyers are in the state of holding money to buy, and further wait and see if the interest rate can reach a new low. 
the sales volume of new houses decreased sharply in June. However, a noteworthy phenomenon is that while the sales volume of new houses decreased significantly, The average price of new home sales is rising rapidly.
New high-priced houses are in hot sale, and the prices rise all the way, because the buyers of high-priced houses are basically unaffected by interest rate fluctuations