(VOVworld) - Party leader Nguyen Phu Trong wrapped up his official visit to Cuba and sent a letter to President Raul Castro Ruz to express his thanks and happiness at the fine achievements of the friendship visit. He expressed his hope that the visit contributed to consolidating friendship, mutual trust, and comprehensive cooperation between the two Parties, states and peoples. The Vietnamese Party chief also sent his sincere gratitude for being warmly welcomed by the Cuban leaders and people during his stay and his wishes that under the leadership of the Cuban Communist Party, the Cuban people will make continued progress in national construction and denfense.