Mr. Cai's works are profound in skill, classical and elegant, blending civil and military, magnificent, showing the character of the Chinese nation and carrying forward the great spirit of Chinese talents. It has been collected by many national leaders, heads of the Central Military Commission and leaders of many national ministries and commissions, and has been presented to senior leaders and foreign guests in more than a dozen countries, including the United States, Germany, France, Italy, Sweden, the Netherlands, Denmark, South Africa, the Philippines, India, Egypt and South Korea. On June 4th, 20 12, his works were presented as precious gifts to the Ambassador of Sierra Leone at the 5th Anniversary Celebration of Xiamen Chamber of Commerce. Mr. Zhang Hai, Chairman of China Calligraphers Association, spoke highly of his works and personally titled his calligraphy collection. As the mainstream strength calligrapher in China today, Mr. Cai's works have great collection value and appreciation potential, and are increasingly concerned and sought after by calligraphy lovers and collectors at home and abroad. People have every reason to believe that Mr. Cai, who has high comprehensive quality, strong comprehensive ability, great social influence and good popularity, will be able to continuously climb the new height of calligraphy art.