There is no bus could be used since you will arrive later. So,when you arrive at Shanghai Airport, please take the shuttle bus Line 7 to arrive at Shanghai South Railway Station. Here, you could catch the train K8401/K8404 to Yiwu at 23:57. It will arrive in Yiwu at 03:05 the next day.

HELLO MR.MODI,I AM MANOJ FROM INDIA. I AM REGULARLY VISIT YIWU.IF YOU WANT ANY HELP PLEASE CONTACT ME ON MY CELL 09374126011 OR MY EMAIL: rediffmail.com|masoommanoj

i think you are cominh shanghai by airindia flight, so only 1 train is avallable at 23.57. if you stay at shanghai and next morning going to yiwu is also better .you can take bullet train. bullet train starts no. with "D"

MANOJ