Hangzhou Railway Station and East Railway Station have many trains to Yiwu, which can reach there in 1-1.5 hours by fast train. Yiwu Railway Station is a little farther from the city, but there are cit bus. Hangzhou south bus station operates buses to Yiwu every 15 minutes.150km, for nearly 2 hours. You can choose one. Yiwu bus station is nearer to the trade market.

Did you mean yiwu? if you want to go to hangzhou to yiwu, i think you can take a shuttle bus.