Delivery to China will be the deciding factor I think, that is if you are still in China Pisan?
there is also the Landjoff suit to consider though I am yet to buy one myself, so it is an untested option so to speak.
http://landjoff.com/product/87/pvc-caving-coverall-long-life.html
Landjoff offer a 10% club discount. If you register as a club with them, then any purchase you make gets 10% off!