"We should continue to properly handle South China Sea issue, and discuss joint exploration, development and cooperation at an appropriate time, thus making the waters a sea of cooperation and friendship," he said.

China has always taken the Association of Southeast Asian Nations (ASEAN) as a priority in its neighborhood diplomacy, Xi said.

This year marks the 15th anniversary of the China-ASEAN strategic partnership and also the China-ASEAN Year of Innovation, while the Philippines will be the coordinator of China-ASEAN ties.

Xi said China is willing to maintain close communication and coordination with the Philippines to promote China-ASEAN ties and regional cooperation in East Asia, Xi said.

Noting that the bilateral relations have maintained a sound momentum, Duterte expressed his thanks to China for its assistance and support in boosting the Philippines' socioeconomic development, and improving its capabilities in fighting terrorism and maintaining stability.

The Philippines is willing to participate in the building of the 21st Century Maritime Silk Road and maintain close cooperation with China in sectors including economy and trade, fishing, tourism, education and infrastructure, Duterte said.

The Philippines will also work with China to maintain peace and stability in the South China Sea through bilateral communication and consultation, and boost cooperation in this regard, he said.

The Philippines is willing to help deepen the ASEAN-China cooperation, he added.

After the meeting, the two leaders witnessed the signing of bilateral cooperation documents.