Suzhou Railway Station regular baggage check in the side of the station building, there will be obvious signs, such as "baggage room" or "baggage parcel handling office" and so on the sign. When you check in your luggage, you will be given a baggage voucher or parcel ticket. There is a certain period of time for the shipment to arrive at the station, you will be notified of the arrival of the goods to collect goods, not necessarily with the train you ride.
Your own clothes can be checked in as baggage, and the price is cheaper. Electrical appliances, on the other hand, depends on what kind of appliances, I guess it is checked by parcel, the price is higher. So you can't mix them together or you will be charged for shipping by the higher priced item.