Daqing is a prefecture-level city in the west of Heilongjiang Province of Northeast China. The name literally means "Great Celebration". Daqing is known as the Oil Capital of China and has experienced a phenomenal boom since oil was discovered here in 1959. Daqing's economy highly depends on petroleum and related industries. Daqing's oilfield is China's largest oilfield, and the world's fourth most productive oil field.[Photo/China.com.cn]