SHENZHEN, June 7 (Xinhua) -- Chinese President Xi Jinping has sent a congratulatory letter to the first Forum on Building up China's Cultural Strength, which opened Wednesday in Shenzhen, south China's Guangdong Province.

In his letter, Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, called for enhanced efforts to shoulder new cultural mission, and provide strong cultural and intellectual strength to build a stronger nation and achieve national rejuvenation.