China is a reliable friend for Europe and Ireland, Xi said, especially amid efforts to emerge from the eurozone crisis. Xi reiterated China's support for Europe.

Irish Prime Minister Enda Kenny said that Ireland's advantages represent "an enormous opportunity for China".

China is one of Ireland's "top international priorities for business development", he said before adding that he looks forward to visiting China in March.

"Ireland and China have much to offer each other in food and agriculture, in high technology research and in investment. We should make every effort to realize that potential," Kenny said at a dinner he held for Xi on Sunday.

Apart from the investment group, three deals were signed on promoting trade, services and boosting cooperation in higher education between Beijing Technology University and University College Dublin.

Commenting on Xi's three-day visit that started on Saturday, Irish Deputy Prime Minister and Minister for Foreign Affairs Eamon Gilmore said it is an "opportunity" for Ireland to increase trade with China and to attract more inward investment.

"That, in turn, would be converted into jobs and economic growth. It's part of our strategy to re-grow the Irish economy, (and) get jobs here," he told reporters.

Gilmore also said Xi "certainly indicates to us a willingness to be helpful and supportive (regarding the eurozone)".

The unemployment rate in Ireland stands at 14.5 percent, meaning 439,600 Irish people are out of work, according to the Irish Voice newspaper. The government last week unveiled an ambitious action plan to create 200,000 jobs in eight years.

China has been Ireland's biggest trading partner in Asia for five consecutive years. Bilateral trade reached $5.87 billion in 2011, an increase of 8.6 percent from 2010.

In terms of investment, Chinese investors decided in 2008 to build the Europe China Trade Hub in Athlone, a town strategically located in the center of Ireland 90 minutes away by train from either Dublin or Shannon airports. The hub will showcase the work of Chinese manufacturers to European and other international buyers.

As the only English speaking country in the eurozone, and a country with a low corporate tax rate of 12.5 percent, Ireland is an ideal place for Chinese investors to access Europe, said Kevin Lynch, founder of the law firm Clerkin Lynch and chairman of the Ireland China Association.

Xi also visited the dramatic Cliffs of Moher and saw a demonstration of Gaelic games on Sunday in the country's largest stadium, Dublin's 80,000-seater Croke Park - where he kicked a Gaelic football and hit a sliotar with a hurly.

Gaelic football is played with both hands and feet, while hurling, and its female version camogie, use a flailed stick to propel a small, hard ball, the sliotar, toward goal.

Xi also met with Irish President Michael Higgins and parliamentary leaders before departing to Ankara, Turkey.