On April 14, 2015, Assistant Foreign Minister Zheng Zeguang met with Deputy Prime Minister Siasosi Sovaleni of Tonga at the Ministry of Foreign Affairs. The two sides exchanged views on China-Tonga relations and other topics. Siasosi Sovaleni was leading a joint delegation of the Tongan Government and Parliament to visit China at the invitation of the International Liaison Department of the Central Committee of the Communist Party of China.