Luggage Storage: How many days is it possible to store luggage in Chengdu Airport?

As I know, the fare is CNY 18 to 40 for 24 hours per luggage. And you can put the luggage at the airport for several days.
The locations are the following:
T1: Between Gate 6 and 7 in Departure Hall
T2: Behind the Check-in Counter N, P separately.
And the service hours of the counters are 05:00-23:00 in T1 and 05:00-23:00 in T2.
For more information, you can dial 0086-028-85206200 or 0086-028-85207220 and consult the airport staff.