The travel route below maybe fit for you: Shanghai-Suzhou-Nanjing-Hangzhou. Bullet trains are available between the neighboring two cities. About the train schedule and cost, you can search the details on the page. About the train station you are supposed to be, you can click the links below for more details:
Shanghai Train Schedule:
https://www.travelchinaguide.com/china-trains/shanghai-schedule.htm

Hangzhou Train Schedule:
https://www.travelchinaguide.com/china-trains/hangzhou-schedule.htm

Nanjing Train Schedule:
https://www.travelchinaguide.com/china-trains/nanjing-schedule.htm