At the invitation of President Bush of the United States of America, King Abdullah Bin Abdul-Aziz of the Kingdom of Saudi Arabia, King Mohammed VI of the Kingdom of Morocco, President Olusegun Okikiola Aremn Obasanjo of the Federal Republic of Nigeria, President Mwai Kibaki of the Republic of Kenya, President Hu Jintao will pay state visits to the above-mentioned five countries from April 18th to 29th.