3D / 5D bedsheet & Inflattable air mattresses

HI there,
I need to buy 3D or 5D bedsheet and inflattable mattresses in Guangzhou.
Which area do you suggest me please..
Relying upon your immediate help.
Am actually in the city but do not have any idea where to find it.
My staying time is very limited.Only 4 more days remain for me to take my flight.