Bank in Dàlǐ

Bank of China

Changes cash and travellers cheques, and has an ATM that accepts all major cards.
Police in Dàlǐ

Public Security Bureau

Note that visas cannot be renewed in Dàlǐ; you have to go to Xiàguān.
Post in Dàlǐ

China Post

Dàlǐ's main post office.