The agriculture of Heilongjiang, heavily defined by its cold climate, is based upon crops such as soybeans, maize, wheat and potatoes.[14] Commercial crops grown include beets, flax, and sunflowers.
Petroleum is of great importance in Heilongjiang, and the Daqing oilfields are an important source of petroleum for China. Coal, gold, and graphite are other important minerals to be found in Heilongjiang. Heilongjiang also has great potential for wind power, with an average wind energy density of 200 watts per square metre.
Heilongjiang is part of northeast China, the country's traditional industrial base. Industry is focused upon coal, petroleum, lumber, machinery, and food. Due to its location, Heilongjiang is also an important gateway for trade with Russia.
