Wanxian Valley Shuttle Bus and Luggages / Trekking Trails

I plan to travel to Wangxian Valley from Hangzhou. The Q&A above provides details about the bus from Shangrao Railway Station, but I am wondering if the bus can accommodate large luggages. If not, is there any recommendations for luggages? I am not sure if we can deposit the luggage at the hotel in Hangzhou after checkout? but it is still not very good approach because, on the return trip, I will fly back Thailand from Shanghai , so it is not convenient for me to stopover in Hangzhou. Thank you in advance for your advice.