there is no direct train from Guiyang station to kunshan. It is suggested that you can take the train to Hangzhou South Station early tomorrow (3: 3 am), and then transfer to Kunshan Station at Hangzhou South Station.
Train number: K8
Departure: Guiyang (3:3)
Arrival: Hangzhou South (3:9)
Dining car: 11
Mileage: 1834 km
Hard berth: 26
Hard berth: 353/333.
Arrival: Kunshan (1:58)
Waiting: 11A
Dining car: 1
Mileage: 251km
Hard berth: 4.5
Hard berth: 86.5/91.5/94.5
Soft berth: 129.5.