Am arriving at Shanghai PUDONG airport at 10:30pm, will i be able to go to Yiwu by the bullet train?

Well, according to your arrival time, there is no bullet train that can take you to the destination.
As for taxi, as far as I know, it's not easy for you to find an official taxi because of long-distance.
So it's suggested to find a hotel nearby the airport and start off in the next early morning.
In the next day, take airport shuttle bus line 1 to Hongqiao Railway Station.
Many bullet trains there can take you to YW directly. It takes no more than two hours on the way. The earliest scheduel is at 06:49. The ticket fare of first class seat is about CNY200 and second class seat is CNY123.