They will check your payment manually (so you will need to take into consideration time difference from your country to china). How did you pay? (visa/paypal)
I tried to pay with my visa, which didn't work due to my card/bank having limits to international transactions. Nds-card emailed me (about 8 hours after I recieved your messege above) to say my payment didn't go through, checked my bank and the money was still there so I emailed them back, after a few emails we managed to get payment sorted through payal. Got an email not long after to say they recieved payment and they would ship asap. Got all tracking info really quick (got experess so was tracked well + all the way from departure) and got it 5 days from it being shipped. Hope this give you an idea of the process I went through, I would wait and they should email you either saying your payment was accepted or declined then go from there, if you get no contact they have email address on the site just drop them an email for an update on your purchase.