Travel Agency in Dūnhuáng

Fēitiān Travel Service

Can arrange tours to Mògāo Grottoes, local day trips and car rental.
Post in Dūnhuáng

China Post

Sells stamps and delivers packages internationally.
Police in Dūnhuáng

Public Security Bureau

Two days needed for visa extension.
Bank in Dūnhuáng

Bank of China

Has a 24-hour ATM.