China Friday quotes: Williams
Nico Rosberg - 2nd: "It's been an interesting day for us. We've learnt a lot, particularly about the tyres and how to get the best out of them here. The one major thing for us at the moment though is that this season we have consistency from one track to another. We're now going to a race and not getting any big surprises as we seem to have learnt from our mistakes from last year."
Kazuki Nakajima - 7th: "It was a bit difficult out there for me today. The tyres were behaving strangely this morning but they did improve a little this afternoon. I was also struggling to find a good balance. I now need to see where I can improve for qualifying tomorrow. We'll see how we go."