Long-distance bus from Nanning to Hangzhou.

Hai, are you sure is no direct bus from nanning city to hangzhou city. My father already buy the ticket. Please bring me the real information, because, i want buy voucher hotel for my father, mother and 3 persons whom joint in the journey. Please tell me the addres of the bus station in hangzhou that the last stop from nanning. Thanks before. Regards edy from Indonesia