Shanghai Deal #2

Another deal from Shanghai:

Opener: AK10xx-x-AKQxx-Kx
Responder: QJx-AQx-Jx-AQxxx

The auction for me:

1S-P-2C-P-
2D-P-2S(fit)-P-
3C(good trumps, club honor)-P-3H(heart control, no diamond A/K/Q)-P-
3NT(Serious Interest)-P-4C(two top clubs)-P-
4NT(1430 RKCB)-P-5S(two with Queen)-P-
5NT(King ask/grand try)-P-7S-P-
P/7NT.