Is there a baggage storage facility at Pudong airport.What r the charges?

Absolutely. You can find the counters both at T1 and T2.
T1: D04-D05 and D10-D11 of depature hall; D06-D07 of arrival hall.
T2: Door A and Door M of depature hall; near the international exit of the arrivcal hall.

The cost depends on the size of the luggage and the storage duration, varying from CNY10 to CNY45.