In terms of total trade, Henan's trade with Hong Kong reached US$728 million in 2007. Hong Kong was the 5th largest trading partner of Henan, after the US, Japan, South Korea and Australia. For exports, the top three destinations were the US, South Korea and Hong Kong in 2007. Major exports included base metals, machinery, textile materials and chemical products. Major import sources were the US, Japan and India. Henan's import from Hong Kong reached US$103.5 million in 2007. Major imports were electronic parts, chemicals, salt, copper, etc.

A number of well-known multinational enterprises such as Toshiba and Panasonic from Japan, General Electric, the International Telephone & Telegraph (ITT) and Coca Cola from the US, Renault from France have invested in the province.

Actual foreign direct investments grew by 65.9% to US$3.0 billion in 2007, mainly engaged in manufacturing (46.7% of total investment), real estate and mining. Industries of high efficiency and low consumption of energy are encouraged, and more FDI are expected to flow into services sectors.

Hong Kong is the largest source of foreign direct investment in Henan. In 2007, actual investment from Hong Kong amounted to US$1,664 million, accounting for 54.4% of the total. Other major sources of investment included Taiwan and Singapore.