Chinese President Xi Jinping pledged to scale up assistance to Caribbean nations in an effort to give fresh impetus to the cooperation between China and the region. He said China will set up one or two demonstration centers in the next three years to showcase agricultural technologies, Xi said at a luncheon meeting with leaders of Trinidad and Tobago, Suriname, Guyana, Dominica, Barbados, Jamaica, the Bahamas, Grenada and Antigua and Barbuda, all of which are Caribbean countries with diplomatic ties with Beijing.