Hi Vojislav
Greeting from Peggy, Top China Travel.
We can offer the tour price when we know more about your travel information, incluidng:
When do you plan this tour? Because different time may have different hotel price
And how about the hotel star? 3, 4, or 5 star hotel your prefer?
Since I have got that you plan a Xian tour as well, we can offer tour service in Xian, Zhangye and Lanzhou tour together if you need our service
Peggy