- Daqing City is located in the northeastern part of China's Heilongjiang province. It is an important industrial city known for its oil production. Daqing has a population of around 2.5 million people and covers an area of approximately 21,219 square kilometers. The city has a cold climate with long and harsh winters and short, cool summers. Some of the major attractions in Daqing include the Daqing Oil Field Museum, Daqing Forest Park, and Daqing Longfeng Wetland Park. The city's economy is primarily centered around oil and petrochemical industries, with Daqing being one of China's major oil production bases.