Do you mean the Dongyang city in Zhejiang Province? if so, you have better go there from Shanghai. I would like to tell more if you mean another place.

Dongyang city of Zhejiang province.Well,from Shanghai to Dongyang no direct train,you can take the train from SH TO YIWU first,then take bus to dongyang,it is very nearly already.
here is the time table for the shanghai train to yiwu.
.The fast train Timetable From Shanghai to Yiwu.
From: Shanghai Train Staion (North) To: Yiwu
Time Train No. Takes time
7:20 D5685 It will take 2 hours and 20 minutes
7:44 D5689 It will take 2 hours and 21 minutes
11:27 T169 It will take 2 hours and59 minutes(near 3 hours)
12:34 T211 It will take 2 hours and36minutes
13:12 D5665 It will take 2 hours and 13 minutes
15:11 Z84 It will take 2 hours and 43 minutes(near 3 hours)
15:11 Z81 It will take 2 hours and 43 minutes(near 3 hours)
15:27 D93 It will take 2 hours and 5 minutes
15:35 D112 It will take 2 hours and 6 minutes
15:35 D109 It will take 2 hours and 6 minutes
21:51 Z27 It will take 2 hours and 18 minutes
21:51 Z26 It will take 2 hours and 18 minutes