People visit the Russian Exhibition Area at the 24th China Harbin International Economic and Trade Fair in Harbin, capital of northeast China's Heilongjiang province, June 15, 2013. More than 5,000 Russian exhibitors from 74 states and regions of Russia took part in the fair, which opened on June 15. [Photo / Xinhua]

In breakdown, foreign investment amounted to $750 million, domestic investment 116.4 billion yuan ($19 billion), foreign trade $4.4 billion, and deals with Russia $620 million, the Heilongjiang provincial commerce bureau said in a statement.

The 181 investment and trade deals cover fields including new materials, biology, new energy equipment, new agricultural machinery, green food, mining, steel, forestry products processing and modern service sectors, according to the statement.

The 24th Harbin trade fair, which opened on Friday night and is scheduled to run until Wednesday, has attracted 9,335 traders and buyers from 75 countries and regions worldwide.