Which city, Daqing or Pengzhou, is a prefecture-level city in the west of Heilongjiang province, People's Republic of China?
Pengzhou Pengzhou (), formerly Peng County or Pengxian, is a county-level city under the jurisdiction of Chengdu, the capital of Sichuan province, People's Republic of China, some 19 km (11.81 mi) northwest of Chengdu. There is an expressway that connects Pengzhou to Chengdu. It is bordered by the prefecture-level divisions of Deyang to the northeast and the Ngawa Tibetan and Qiang Autonomous Prefecture to the north.
Cangzhou Cangzhou () is a prefecture-level city in eastern Hebei province, People's Republic of China. At the 2010 census, Cangzhou's built-up ("or metro") area made of Yunhe, Xinhua districts and Cang County largely being conurbated had a population of 1,205,814 inhabitants, while the prefecture-level administrative unit in total has a population of 7,134,062. It lies approximately 90 km from the major port city of Tianjin, and 180 km from Beijing.