Beijing has bullet trains to Harbin. It only takes you eight hours there. The fare is 385 and 423 for different classes. For train numbers started with 'D','t', it will 270 for hard sleeper and aboud 420 for soft sleeper. Zhaogongkou and Bawangfen bus station of Beijing each has one bus to Harbin. The whole journey will cost 12-13 hours and the ticket price is about 280.