Dongguan Mosque is a mosque in Xining , Qinghai Province, China . It is the largest mosque in Qinghai. In the Ming period, the mosque consisted of a single courtyard with a worship hall and two multi-storey minarets. The modern mosque is built in Chinese Islamic architectural style and contains elements of western architecture. The mosque has colourful white arches along the outside of the wide building. It has a green and white dome and two tall minarets.